ZookeeperConfig::get
(PECL zookeeper >= 0.6.0, ZooKeeper >= 3.5.0)
ZookeeperConfig::get — Gets the last committed configuration of the ZooKeeper cluster as it is known to the server to which the client is connected, synchronously
Elenco dei parametri
-
watcher_cb -
If nonzero, a watch will be set at the server to notify the client if the node changes.
-
stat -
If not NULL, will hold the value of stat for the path on return.
Valori restituiti
Returns the configuration string on success, and false on failure.
Errori/Eccezioni
This method emits ZookeeperException and it's derivatives when parameters count or types are wrong or fail to get configuration.
Esempi
Example #1 ZookeeperConfig::get() example
Get configuration.
<?php
$zk = new Zookeeper();
$zk->connect('localhost:2181');
$zk->addAuth('digest', 'timandes:timandes');
$zkConfig = $zk->getConfig();
$r = $zkConfig->get();
if ($r)
echo $r;
else
echo 'ERR';
?>Il precedente esempio visualizzerà:
server.1=localhost:2888:3888:participant;0.0.0.0:2181 version=0xca01e881a2
Vedere anche:
- ZookeeperConfig::set() - Change ZK cluster ensemble membership and roles of ensemble peers
- ZookeeperConfig::add() - Add servers to the ensemble
- ZookeeperConfig::remove() - Remove servers from the ensemble
- ZookeeperException
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