if ($type == "IPv4") {
$maxMask = "30";
$type = 0;
} else {
$maxMask = "126";
$type = 1;
}
$n = 2;
# step
$m = 0;
# array id
for ($mask = $subnet['mask'] + 1; $mask <= $maxMask; $mask++) {
# set vars
$opts[$m]['mask'] = $mask;
$opts[$m]['number'] = $n;
$opts[$m]['max'] = MaxHosts($mask, $type);
# next
$m++;
$n = $n * 2;
# max number = 16!
if ($n > 256) {
$mask = 1000;
}
}
?>
<!-- header -->
<div class="pHeader"><?php
print _('Split subnet');
?>
/**
* ipCalc calculations
*/
function calculateIpCalcResult($cidr)
{
/* first verify address type */
$type = IdentifyAddress($cidr);
/* IPv4 */
if ($type == "IPv4") {
$net = Net_IPv4::parseAddress($cidr);
//set ip address type
$out['Type'] = 'IPv4';
//calculate network details
$out['IP address'] = $net->ip;
// 192.168.0.50
$out['Network'] = $net->network;
// 192.168.0.0
$out['Broadcast'] = $net->broadcast;
// 192.168.255.255
$out['Subnet bitmask'] = $net->bitmask;
// 16
$out['Subnet netmask'] = $net->netmask;
// 255.255.0.0
$out['Subnet wildcard'] = long2ip(~ip2long($net->netmask));
//0.0.255.255
//calculate min/max IP address
$out['Min host IP'] = long2ip(ip2long($out['Network']) + 1);
$out['Max host IP'] = long2ip(ip2long($out['Broadcast']) - 1);
$out['Number of hosts'] = ip2long($out['Broadcast']) - ip2long($out['Min host IP']);
//subnet class
$out['Subnet Class'] = checkIpv4AddressType($out['Network'], $out['Broadcast']);
//if IP == subnet clear the Host fields
if ($out['IP address'] == $out['Network']) {
$out['IP address'] = "/";
}
} else {
//set ip address type
$out['Type'] = 'IPv6';
//calculate network details
/* $out['Host address'] = Net_IPv6::removeNetmaskSpec ( $cidr ); */
$out['Host address'] = $cidr;
$out['Host address'] = Net_IPv6::compress($out['Host address'], 1);
$out['Host address (uncompressed)'] = Net_IPv6::uncompress($out['Host address']);
$mask = Net_IPv6::getNetmaskSpec($cidr);
$subnet = Net_IPv6::getNetmask($cidr);
$out['Subnet prefix'] = Net_IPv6::compress($subnet) . '/' . $mask;
$out['Prefix length'] = Net_IPv6::getNetmaskSpec($cidr);
// get reverse DNS entries
$out['Host Reverse DNS'] = calculateReverseDNS6($out['Host address (uncompressed)']);
$out['Subnet Reverse DNS'] = calculateReverseDNS6($subnet, $mask);
//if IP == subnet clear the Host fields and Host Reverse DNS
if ($out['Host address'] == $out['Subnet prefix']) {
$out['Host address'] = '/';
$out['Host address (uncompressed)'] = '/';
unset($out['Host Reverse DNS']);
}
//min / max hosts
$maxIp = gmp_strval(gmp_add(gmp_sub(gmp_pow(2, 128 - $mask), 1), ip2long6($subnet)));
$out['Min host IP'] = long2ip6(gmp_strval(gmp_add(ip2long6($subnet), 1)));
$out['Max host IP'] = long2ip6($maxIp);
$out['Number of hosts'] = MaxHosts($mask, 1);
//address type
$out['Address type'] = Net_IPv6::getAddressType($cidr);
$out['Address type'] = checkIpv6AddressType($out['Address type']);
}
/* return results */
return $out;
}
<?php
# get array of IP addresses
$ipVisual = getIpAddressesForVisual($subnetId);
# if empty
if (sizeof($ipVisual) == '0') {
$ipVisual = array("a");
}
# show squares to display free/used subnet
if (sizeof($slaves) == 0 && $type == 0 && $SubnetDetails['mask'] != "31" && $SubnetDetails['mask'] != '32') {
print "<br><h4>" . _('Visual subnet display') . " <i class='icon-gray icon-info-sign' rel='tooltip' data-html='true' title='" . _('Click on IP address box<br>to manage IP address') . "!'></i></h4><hr>";
print "<div class='ip_vis'>";
# get max hosts
$max = MaxHosts($SubnetDetails['mask'], $type);
$max = $SubnetDetails['subnet'] + $max;
# set start
$start = gmp_strval(gmp_add($SubnetDetails['subnet'], 1));
for ($m = $start; $m <= $max; $m = gmp_strval(gmp_add($m, 1))) {
# already exists
if (array_key_exists((string) $m, $ipVisual)) {
# fix for empty states - if state is disabled, set to active
if (strlen($ipVisual[$m]['state']) == 0) {
$ipVisual[$m]['state'] = 1;
}
$class = $ipVisual[$m]['state'];
$id = (int) $ipVisual[$m]['id'];
$action = 'all-edit';
# tooltip
$title = transform2long($ipVisual[$m]['ip_addr']);
if (strlen($ipVisual[$m]['dns_name']) > 0) {
$title .= "<br>" . $ipVisual[$m]['dns_name'];
$maskDiff = 8;
break;
}
$mask = $subnetOld['mask'] + $maskDiff;
# set number of subnets
$subNum = pow(2, $maskDiff);
# get mas hosts per subnet
$type = IdentifyAddress(transform2long($subnetOld['subnet']));
# type for max resize
if ($type == "IPv4") {
$type = "0";
} else {
$type = "1";
}
# set max hosts per new subnet
$maxHosts = MaxHosts($mask, $type);
$maxHosts = gmp_strval(gmp_add(2, $maxHosts));
# create array of new subnets based on number of subnets (number)
for ($m = 0; $m < $subNum; $m++) {
$newsubnets[$m] = $subnetOld;
$newsubnets[$m]['id'] = $m;
$newsubnets[$m]['mask'] = $mask;
# if group is selected rewrite the masterSubnetId!
if ($_POST['group'] == "yes") {
$newsubnets[$m]['masterSubnetId'] = $subnetOld['id'];
}
# recalculate subnet
if ($m > 0) {
$newsubnets[$m]['subnet'] = gmp_strval(gmp_add($newsubnets[$m - 1]['subnet'], $maxHosts));
}
}
/**
* Calculate subnet details
*
* Calculate subnet details based on input!
*
* We must provide used hosts and subnet mask to calculate free hosts, and subnet to identify type
*
* $bcastfix = remove bcast and subnets from stats (subnetDetailsGraph)
*/
function calculateSubnetDetailsNew($subnet, $bitmask, $online, $offline, $reserved, $dhcp, $bcastfix = 0)
{
$details['online'] = $online;
// number of online hosts
$details['reserved'] = $reserved;
// number of reserved hosts
$details['offline'] = $offline;
// number of offline hosts
$details['dhcp'] = $dhcp;
// number of dhcp hosts
$details['used'] = gmp_strval(gmp_add($online, $reserved));
$details['used'] = gmp_strval(gmp_add($details['used'], $offline));
$details['used'] = gmp_strval(gmp_add($details['used'], $dhcp));
// calculate max hosts
if (IdentifyAddress($subnet) == "IPv4") {
$type = 0;
} else {
$type = 1;
}
$details['maxhosts'] = MaxHosts($bitmask, $type);
$details['maxhosts'] = gmp_strval(gmp_sub($details['maxhosts'], $bcastfix));
// calculate free hosts
$details['freehosts'] = gmp_strval(gmp_sub($details['maxhosts'], $details['used']));
//reset maxhosts for /31 and /32 subnets
if (gmp_cmp($details['maxhosts'], 1) == -1) {
$details['maxhosts'] = "1";
}
// calculate use percentage
$details['freehosts_percent'] = round($details['freehosts'] * 100 / $details['maxhosts'], 2);
$details['used_percent'] = round($details['used'] * 100 / $details['maxhosts'], 2);
$details['online_percent'] = round($details['online'] * 100 / $details['maxhosts'], 2);
$details['reserved_percent'] = round($details['reserved'] * 100 / $details['maxhosts'], 2);
$details['offline_percent'] = round($details['offline'] * 100 / $details['maxhosts'], 2);
$details['dhcp_percent'] = round($details['dhcp'] * 100 / $details['maxhosts'], 2);
return $details;
}
/**
* Calculate subnet details accounting for active hosts
*
* Calculate subnet details based on input!
*
* We must provide used hosts and subnet mask to calculate free hosts, and subnet to identify type
*
* $bcastfix = remove bcast and subnets from stats (subnetDetailsGraph)
*/
function calculateSubnetDetailsNewActive($subnet, $bitmask, $online, $warning, $error, $neutral, $disconnected, $offline, $reserved, $dhcp, $bcastfix = 0)
{
$details['online'] = $online;
// number of online hosts
$details['warning'] = $warning;
// number of warning hosts
$details['error'] = $error;
// number of error hosts
$details['neutral'] = $neutral;
// number of neutral hosts
$details['disconnected'] = $disconnected;
// number of disconnected hosts
$details['reserved'] = $reserved;
// number of reserved hosts
$details['offline'] = $offline;
// number of offline hosts
$details['dhcp'] = $dhcp;
// number of dhcp hosts
$details['used'] = gmp_strval(gmp_add($online, $warning));
$details['used'] = gmp_strval(gmp_add($details['used'], $error));
$details['used'] = gmp_strval(gmp_add($details['used'], $neutral));
$details['used'] = gmp_strval(gmp_add($details['used'], $disconnected));
$details['used'] = gmp_strval(gmp_add($details['used'], $reserved));
$details['used'] = gmp_strval(gmp_add($details['used'], $offline));
$details['used'] = gmp_strval(gmp_add($details['used'], $dhcp));
// calculate max hosts
if (IdentifyAddress($subnet) == "IPv4") {
$type = 0;
} else {
$type = 1;
}
$details['maxhosts'] = MaxHosts($bitmask, $type);
$details['maxhosts'] = gmp_strval(gmp_sub($details['maxhosts'], $bcastfix));
// calculate free hosts
$details['freehosts'] = gmp_strval(gmp_sub($details['maxhosts'], $details['used']));
//reset maxhosts for /31 and /32 subnets
if (gmp_cmp($details['maxhosts'], 1) == -1) {
$details['maxhosts'] = "1";
}
// calculate use percentage
$details['freehosts_percent'] = round($details['freehosts'] * 100 / $details['maxhosts'], 2);
$details['used_percent'] = round($details['used'] * 100 / $details['maxhosts'], 2);
$details['online_percent'] = round($details['online'] * 100 / $details['maxhosts'], 2);
$details['warning_percent'] = round($details['warning'] * 100 / $details['maxhosts'], 2);
$details['error_percent'] = round($details['error'] * 100 / $details['maxhosts'], 2);
$details['neutral_percent'] = round($details['neutral'] * 100 / $details['maxhosts'], 2);
$details['disconnected_percent'] = round($details['disconnected'] * 100 / $details['maxhosts'], 2);
$details['reserved_percent'] = round($details['reserved'] * 100 / $details['maxhosts'], 2);
$details['offline_percent'] = round($details['offline'] * 100 / $details['maxhosts'], 2);
$details['dhcp_percent'] = round($details['dhcp'] * 100 / $details['maxhosts'], 2);
return $details;
}
if (IdentifyAddress($master['subnet']) == "IPv4") {
$type = 0;
} else {
$type = 1;
}
# set $diffAdd based on mask!
if ($slaves[$m - 1]['mask'] == "32") {
$diffAdd = 0;
} elseif ($slaves[$m - 1]['mask'] == "31") {
$diffAdd = 0;
} else {
$diffAdd = 2;
}
# calculate end of master and last slave
$maxh_m = gmp_strval(gmp_add(MaxHosts($master['mask'], $type), 2));
$maxh_s = gmp_strval(gmp_add(MaxHosts($slave['mask'], $type), $diffAdd));
$max_m = gmp_strval(gmp_add($master['subnet'], $maxh_m));
$max_s = gmp_strval(gmp_add($slave['subnet'], $maxh_s));
$diff = gmp_strval(gmp_sub($max_m, $max_s));
# if slave stop < master stop print free space
if ($max_m > $max_s) {
print "<tr class='success'>";
print "\t<td></td>";
print "\t<td class='small description'><a href='#' data-sectionId='{$section['id']}' data-masterSubnetId='{$subnetId}' class='btn btn-sm btn-default createfromfree' data-cidr='" . getFirstPossibleSubnet(transform2long(gmp_strval(gmp_sub($max_m, $diff))), $diff, false) . "'><i class='fa fa-plus'></i></a> " . _('Free space') . "</td>";
print "\t<td colspan='5'>" . transform2long(gmp_strval(gmp_sub($max_m, $diff))) . " - " . transform2long(gmp_strval(gmp_sub($max_m, 1))) . " ( {$diff} )</td>";
print "</tr>";
}
}
}
# graph
include_once 'subnetDetailsGraph.php';
