public function loop()
{
$d = EventDispatcher::get();
if (!$this->stomp) {
$this->connect();
}
while (true) {
if ($this->stomp->hasFrame()) {
$msg = $this->stomp->readFrame();
$destination = $msg->headers['destination'];
/** @var Topics\AbstractTopic $topic */
$topic = $this->eventTopics[$destination];
//$factory = "\\OpenRailData\\NetworkRail\\Services\\Stomp\\Events\\" . $topic->getFactory() . "\\Factory";
// Save events locally so we can ack the message.
$events = [];
foreach (json_decode($msg->body) as $raw) {
$events[] = $raw;
}
$this->stomp->ack($msg);
foreach ($events as $event) {
$d->dispatch("raw" . $topic->getEventName(), new StompEvent($event));
}
}
}
}
/**
* Experimental task to enable kill processing from queue.
* @param array $options
*/
public function stomp_process_queue(array $options)
{
$this->cli->header("Starting Stomp Import");
$reg = Registry::getInstance();
$log = $reg->getLogger();
$stompcfg = $reg->stomp;
if (is_null($stompcfg) || !is_array($stompcfg)) {
$this->cli->error("stomp is not configured, see config.php for details");
$log->critical("stomp not configured, exiting");
return;
}
$stomp = new \Stomp($stompcfg['url'], $stompcfg['user'], $stompcfg['passwd']);
// destination has the destination topic (for example /topic/kills)
$destination = $reg->stomp['destination_read'];
// we subscribe with additional parameters
$stomp->subscribe($destination, array("id" => $reg->stomp['dsub_id'], "persistent" => "true", "ack" => "client", "prefetch-count" => 1));
while (true) {
try {
if (!$stomp->hasFrame()) {
continue;
}
$frame = $stomp->readFrame();
if ($frame) {
$log->debug("received frame with message-id: " . $frame->headers['message-id']);
$killdata = json_decode($frame->body, true);
$existing = Kill::getByKillId($killdata["killID"]);
if (!is_null($existing)) {
$log->debug($frame->headers['message-id'] . '::' . $killdata["killID"] . " kill by killID exists");
$stomp->ack($frame);
continue;
}
try {
$apiParser = new EveAPI();
$apiParser->parseKill($killdata);
$log->debug($frame->headers['message-id'] . '::' . $killdata["killID"] . " saved");
$stomp->ack($frame);
} catch (\Exception $e) {
$log->error($frame->headers['message-id'] . "could not be saved, exception: " . $e->getMessage());
}
}
} catch (\StompException $e) {
$log->error("there was some kind of error with stomp: " . $e->getMessage());
$log->info("going to sleep for 10, retrying then");
// we have a stomp exception here most likely that means that the server died.
// so we are going to sleep for a bit and retry
sleep(10);
// replace stomp connection by new one
// @todo: check if that might cause open connections not to close over time
unset($stomp);
$stomp = new \Stomp($stompcfg['url'], $stompcfg['user'], $stompcfg['passwd']);
$stomp->subscribe($destination, array("id" => $reg->stomp['dsub_id'], "persistent" => "true", "ack" => "client", "prefetch-count" => 1));
$log->info("stomp process retrying");
}
}
}
public function events()
{
if (!$this->stomp) {
$this->connect();
}
while (true) {
if ($this->stomp->hasFrame()) {
$msg = $this->stomp->readFrame();
$destination = $msg->headers['destination'];
$factory = "\\OpenRailData\\Events\\" . $this->eventFactories[$destination] . "\\Factory";
// Save events locally so we can ack the message.
$events = [];
foreach (json_decode($msg->body) as $rawEevent) {
$events[] = $factory::create($rawEevent);
}
$this->stomp->ack($msg);
foreach ($events as $event) {
(yield $event);
}
}
}
}
