public function onSuccessfulRequest(PostRequestSendEvent $event)
{
$request = $event->getRequest();
$this->fails[$request->getConnection()] = null;
$this->slavesUsed = [];
$this->masterUsed = null;
if ($request->hasQueryMode()) {
if ($request->getQueryMode() === 'WRITE') {
$master = $this->connectionManager->getMasterConnection()->getAlias();
if ($request->getConnection() === $master) {
$slaves = $this->connectionManager->getSlaves();
$slave = current($slaves);
$this->writeReplicationUsed[] = $slave;
Client::log('debug', sprintf('Performing write replication on connection "%s"', $slave));
$request->setInfoFromConnection($this->connectionManager->getConnection($slave));
$event->stopPropagation();
} elseif ($this->connectionManager->hasNextSlave($this->writeReplicationUsed)) {
$next = $this->connectionManager->getNextSlave($this->writeReplicationUsed);
$nc = $this->connectionManager->getConnection($next);
Client::log('debug', sprintf('Performing write replication on connection "%s"', $next));
$request->setInfoFromConnection($nc);
$event->stopPropagation();
} elseif (null !== $this->masterUsed && !$this->connectionManager->hasNextSlave($this->masterUsed) && $request->getConnection() !== $master) {
$this->masterUsed = [];
Client::log('debug', 'Replication terminated');
}
}
}
}
/**
* @param \Neoxygen\NeoClient\Event\HttpExceptionEvent $event
*/
public function onHttpException(HttpExceptionEvent $event)
{
$request = $event->getRequest();
$exception = $event->getException();
$message = $exception->getMessage();
Client::log('emergency', sprintf('Error on connection "%s" - %s', $request->getConnection(), $message));
throw new HttpException(sprintf('Error on Connection "%s" with message "%s"', $request->getConnection(), $message));
}
/**
*
*/
private function detectReelectedMaster()
{
$slaves = $this->connectionManager->getSlaves();
foreach ($slaves as $slave) {
if ($this->isMaster($slave)) {
Client::log('debug', sprintf('Master Reelection detected, new Master is "%s".', $slave));
return $slave;
}
}
return;
}
