public function load($group_name = 'default')
{
$obj_couchbase_name = 'MYCOUCHBASE' . $group_name;
if ($this->{$obj_couchbase_name}) {
return $this->{$obj_couchbase_name};
}
$cfg = $this->cfg[$group_name];
$this->CI->load->library('monitor');
$random = FALSE;
if (is_array($cfg) === FALSE) {
log_message('error', 'The Memcached config is not array');
exit;
}
$this->CI->load->library('monitor');
$random = FALSE;
if ($cfg['cfg']['random'] == TRUE) {
$random = TRUE;
}
if ($random === TRUE) {
$this->CI->load->helper('random');
$fail = array();
getCouchbase:
$rnd = randomExcept(0, count($cfg['data']) - 1, $fail);
if (is_numeric($rnd)) {
if ($this->CI->monitor->check_status('COUCHBASE', array('position' => $rnd, 'group' => $group_name)) === true) {
$couchbase_position = $rnd;
} else {
$fail[] = $rnd;
goto getCouchbase;
}
}
} else {
for ($i = 0, $c = count($cfg['data']); $i < $c; $i++) {
if ($this->CI->monitor->check_status('COUCHBASE', array('position' => $i, 'group' => $group_name)) === true) {
$couchbase_position = $i;
break;
}
}
}
if ($cfg['data'][$couchbase_position]) {
$cbcfg = $cfg['data'][$couchbase_position];
$status = TRUE;
} else {
$status = FALSE;
}
if (is_array($cbcfg)) {
$cb = new Couchbase($cbcfg['ip'], $cbcfg['username'], $cbcfg['password'], $cbcfg['db_name']);
if ($cb->getResultCode() != COUCHBASE_SUCCESS) {
$this->CI->monitor->increment_fail('COUCHBASE', array('position' => $couchbase_position, 'group' => $group_name));
$cb = new CouchBaseInterface();
}
$this->{$obj_couchbase_name} = $cb;
} else {
$cb = new CouchBaseInterface();
}
return $cb;
}
/**
* Utility function that waits for bucket creation.
* Bucket creation is async, for the time being, we need to poll until
* it is there.
* @param Couchbase $cb Couchbase client library object.
* @param constant Expected memcached result code.
*/
function _waitForBucket($cb, $resultCode = Memcached::RES_SUCCESS)
{
// var_dump("--waitForBucket");
do {
$cb->set("f", 1);
usleep(500000);
// 1/2 second
// var_dump($cb->getResultMessage());
} while ($cb->getResultCode() !== $resultCode);
$cb->delete("f");
// var_dump("--done waiting");
}