function createIPv4Prefix($range = '', $name = '', $is_connected = FALSE, $taglist = array(), $vlan_ck = NULL)
{
// $range is in x.x.x.x/x format, split into ip/mask vars
$rangeArray = explode('/', $range);
if (count($rangeArray) != 2) {
throw new InvalidRequestArgException('range', $range, 'Invalid IPv4 prefix');
}
$ip = $rangeArray[0];
$mask = $rangeArray[1];
$forbidden_ranges = array(constructIPRange("", 8), constructIPRange("ð", 4));
$net = constructIPRange(ip4_parse($ip), $mask);
foreach ($forbidden_ranges as $invalid_net) {
if (IPNetContainsOrEqual($invalid_net, $net)) {
throw new InvalidArgException('range', $range, 'Reserved IPv4 network');
}
}
usePreparedInsertBlade('IPv4Network', array('ip' => ip4_bin2db($net['ip_bin']), 'mask' => $mask, 'name' => $name));
$network_id = lastInsertID();
if ($is_connected and $mask < 31) {
updateV4Address($net['ip_bin'], 'network', 'yes');
updateV4Address(ip_last($net), 'broadcast', 'yes');
}
produceTagsForNewRecord('ipv4net', $taglist, $network_id);
if ($vlan_ck != NULL) {
$ctx = getContext();
fixContext(spotEntity('ipv4net', $network_id));
if (permitted('ipv4net', '8021q', 'bind')) {
commitSupplementVLANIPv4($vlan_ck, $network_id);
}
restoreContext($ctx);
}
return $network_id;
}
function iptree_embed(&$node, $pfx)
{
$self = __FUNCTION__;
// hit?
if (0 == IPNetworkCmp($node, $pfx)) {
$node = $pfx;
return;
}
if ($node['mask'] == $pfx['mask']) {
throw new RackTablesError('the recurring loop lost control', RackTablesError::INTERNAL);
}
// split?
if (!isset($node['right'])) {
$node['left'] = constructIPRange($node['ip_bin'], $node['mask'] + 1);
$node['right'] = constructIPRange(ip_last($node), $node['mask'] + 1);
}
if (IPNetContainsOrEqual($node['left'], $pfx)) {
$self($node['left'], $pfx);
} elseif (IPNetContainsOrEqual($node['right'], $pfx)) {
$self($node['right'], $pfx);
} else {
throw new RackTablesError('cannot decide between left and right', RackTablesError::INTERNAL);
}
}