function clustertopo_hosts($json)
{
$a = array();
if (is_array($json['children'])) {
foreach ($json['children'] as $child) {
$a = array_merge($a, clustertopo_hosts($child));
}
} else {
$a[] = $json['name'];
}
return $a;
}
<?php
//php5 topogen.php input-clustertopo.json output.nettopo topotype args
if (count($argv) < 4) {
die("Usage: topogen.php input-clustertopo.json output.nettopo topotype [args]\n");
}
require_once 'topogen.lib.php';
require_once 'clustertopo.func.php';
$input_file = $argv[1];
$input_json = json_decode(file_get_contents($input_file), TRUE);
$output_file = $argv[2];
$topotype = $argv[3];
if (!ctype_alnum($topotype)) {
die("topotype invalid\n");
}
require $topotype . '.topo.php';
$topotype_f = 'topogen_' . $topotype;
$g = new TopoGen($topotype);
$hostlist = clustertopo_hosts($input_json);
$args = array_slice($argv, 4);
$topotype_f($g, $hostlist, $args);
$output_json = $g->toJSON();
file_put_contents($output_file, json_encode($output_json, JSON_PRETTY_PRINT));