private function receive($socket)
{
$client = Client::getBySocket($socket);
if (!$client) {
return;
}
$bytes = @socket_recv($socket, $buffer, self::SOCKET_READ, 0);
if (!$client->identified) {
// Client needs to perform handshake before transmission can begin
$client->handshake($buffer) ? $this->trigger('client:handshake', array($this, $client)) : $this->disconnect($client);
} else {
// Client sends a new packet to server
$packet = new Packet($bytes, $buffer, $client->version);
switch ($packet->opcode) {
case Packet::OPCODE_CLOSE:
$this->disconnect($client);
break;
case Packet::OPCODE_PING:
$client->send($packet->utf8, Packet::OPCODE_PONG);
$this->trigger('client:ping', array($this, $client, $packet->utf8));
break;
case Packet::OPCODE_TEXT:
$this->trigger('client:message', array($this, $client, $packet->utf8));
break;
case Packet::OPCODE_DATA:
$this->trigger('client:message', array($this, $client, $packet->utf8));
}
}
}