/**
* Add event listener to event loop.
*
* @param $fd
* @param $flag
* @param $func
* @param array $args
* @return bool
*/
public function add($fd, $flag, $func, $args = array())
{
switch ($flag) {
case EventInterface::EV_READ:
return $this->_loop->addReadStream($fd, $func);
case EventInterface::EV_WRITE:
return $this->_loop->addWriteStream($fd, $func);
case EventInterface::EV_SIGNAL:
return $this->_loop->addSignal($fd, $func);
case EventInterface::EV_TIMER:
return $this->_loop->addPeriodicTimer($fd, $func);
case EventInterface::EV_TIMER_ONCE:
return $this->_loop->addTimer($fd, $func);
}
return false;
}
