/**
* @param callable $func
* @throws \Exception
*/
public function init(callable $func = null)
{
$count = count($this->providers);
if (empty($count)) {
return;
}
if (empty($func)) {
$func = function ($code, $n) {
// do nothing
};
}
$provider = $this->providers[0];
$func(0, count($provider));
$this->startInsertIndex();
$n = 0;
$time = Query::time();
foreach ($provider as $ip => $id) {
if (is_string($id)) {
$id = $provider->idByDivision($id);
}
for ($i = 1; $i < $count && $id == 0; $i++) {
$id = $this->providers[$i]->findId($ip);
}
$this->insertIndex($ip, $this->translateId($id));
$n++;
if ($time < Query::time()) {
$time = Query::time();
$func(1, $n);
}
}
$this->endInsertIndex();
$func(2, 0);
$this->rewind();
// init \Iterator offset & buffer
}
