aerospike_getnodes.md

Aerospike::getNodes [to be implemented]

Aerospike::getNodes - get node metadata from the cluster

Description

public int Aerospike::getNodes ( array &$metadata [, array $options ] )

Aerospike::getNodes() will get node related metadata from the database. The metadata will be returned in the metadata variable, otherwise it will be an empty array.

Parameters

metadata filled by an associative array of metadata.

options including Aerospike::OPT_READ_TIMEOUT and Aerospike::OPT_POLICY_RETRY.

Return Values

Returns an integer status code. Compare to the Aerospike class status constants. When non-zero the Aerospike::error() and Aerospike::errorno() methods can be used.

Examples

<?php


$config = array("hosts"=>array(array("addr"=>"192.168.1.10", "port"=>3000)));
$db = new Aerospike($config);
if (!$db->isConnected()) {
   echo "Aerospike failed to connect[{$db->errorno()}]: {$db->error()}\n";
   exit(1);
}

$res = $db->getNodes($node_metadata);
if ($res == Aerospike::OK) {
    var_dump($node_metadata);
} else {
    echo "[{$db->errorno()}] ".$db->error();
}

?>

We expect to see:

array(3) {
  [0]=>
  array(4) {
    ["addr"]=>
    string(12) "192.168.1.10"
    ["port"]=>
    string(4) "3000"
    ["friends"]=>
    int(2)
    ["active"]=>
    bool(true)
  }
  [1]=>
  array(4) {
    ["addr"]=>
    string(12) "192.168.1.11"
    ["port"]=>
    string(4) "3000"
    ["friends"]=>
    int(2)
    ["active"]=>
    bool(true)
  }
  [2]=>
  array(4) {
    ["addr"]=>
    string(12) "192.168.1.12"
    ["port"]=>
    string(4) "3000"
    ["friends"]=>
    int(2)
    ["active"]=>
    bool(true)
  }
}