public function processRequest($req)
{
$request = json_decode($req['q'], true);
$sender_node = $this->parseSenderNode($request);
if ($sender_node !== NULL) {
$this->updateKBuckets($sender_node);
}
switch ($request['query']['type']) {
case 'FIND_NODE':
$needle_id = \Kademlia\Node::hexId2bin($request['query']['node_id']);
$response = @json_encode($this->createFindNodeResponse($needle_id, $sender_node));
break;
case 'FIND_VALUE':
$key_id = \Kademlia\Node::hexId2bin($request['query']['key_id']);
$data = $this->createFindValueResponse($key_id, $sender_node);
$data['values'] = array_map(base64_encode, $data['values']);
$response = @json_encode($data);
break;
case 'STORE':
$key_id = \Kademlia\Node::hexId2bin($request['query']['key_id']);
$value = base64_decode($request['query']['value']);
$expire = $request['query']['expire'];
$this->createStoreResponse($sender_node, $key_id, $value, $expire);
$response = '{}';
break;
default:
$response = '{}';
break;
}
return $response;
}
