/**
* @param Daemon $daemon
*
* @return $this
*/
public function run(Daemon $daemon)
{
/** @var NamedSocket[] $readable */
$readable = [];
/** @var NamedSocket[] $writable */
$writable = [];
$daemon->init();
$context = $daemon->getContext();
$context->zmqContext = $this->getZmqService()->createContext();
$context->zmqOutgoingSockets = $this->getZmqService()->createSockets($daemon->getOutgoingSockets(), $context->zmqContext);
$context->zmqIncomingSockets = $this->getZmqService()->createSockets($daemon->getIncomingSockets(), $context->zmqContext);
$daemon->start();
while ($daemon->isStarted()) {
$in = [];
$out = [];
foreach ($context->zmqOutgoingSockets as $name => $socket) {
if ($daemon->isQueueEmpty($name)) {
continue;
}
$out[] = $socket;
}
foreach ($context->zmqIncomingSockets as $name => $socket) {
$in[] = $socket;
}
$poller = $this->getZmqService()->createPoller($in, $out);
$events = $poller->poll($readable, $writable, -1);
$errors = $poller->getLastErrors();
if (0 < count($errors)) {
throw new \RuntimeException(sprintf("Socket polling error: %s", array_shift($errors)), 500);
}
if (0 >= $events) {
throw new \RuntimeException("No socket polling event", 500);
}
foreach ($readable as $r) {
try {
$rawMsg = $r->recv();
$msg = @json_decode($rawMsg, true);
if (!$msg) {
throw new \RuntimeException(sprintf("Unable to parse incoming message: %s", $rawMsg), 412);
}
$daemon->receive($r->getName(), $msg);
} catch (\Exception $e) {
$daemon->error($e);
}
}
foreach ($writable as $w) {
try {
if ($daemon->isQueueEmpty($w->getName())) {
continue;
}
$w->send(json_encode($daemon->unqueue($w->getName())));
} catch (\Exception $e) {
$daemon->error($e);
}
}
}
return $this;
}
