/*
functions.inc.php
pfSense_MODULE: ajax
Copyright (C) 2013-2015 Electric Sheep Fencing, LP
*/
if (Connection_Aborted()) {
exit;
}
require_once("config.inc");
require_once("pfsense-utils.inc");
function get_stats() {
$stats['cpu'] = cpu_usage();
$stats['mem'] = mem_usage();
$stats['uptime'] = get_uptime();
$stats['states'] = get_pfstate();
$stats['temp'] = get_temp();
$stats['datetime'] = update_date_time();
$stats['interfacestatistics'] = get_interfacestats();
$stats['interfacestatus'] = get_interfacestatus();
$stats['gateways'] = get_gatewaystats();
$stats['cpufreq'] = get_cpufreq();
$stats['load_average'] = get_load_average();
$stats['mbuf'] = get_mbuf();
$stats['mbufpercent'] = get_mbuf(true);
$stats['statepercent'] = get_pfstate(true);
$stats = join("|", $stats);
return $stats;
}
function get_gatewaystats() {
global $config;
if (isset($config["widgets"]["gateways_widget"]["display_type"])) {
$display_type = $config["widgets"]["gateways_widget"]["display_type"];
} else {
$display_type = "gw_ip";
}
$a_gateways = return_gateways_array();
$gateways_status = array();
$gateways_status = return_gateways_status(true);
$data = "";
$isfirst = true;
foreach ($a_gateways as $gname => $gw) {
if (!$isfirst) {
$data .= ",";
}
$isfirst = false;
$data .= $gw['name'] . ",";
$monitor_address = "";
$monitor_address_disp = "";
if ($display_type == "monitor_ip" || $display_type == "both_ip") {
$monitor_address = $gw['monitor'];
if ($monitor_address != "" && $display_type == "both_ip") {
$monitor_address_disp = " (" . $monitor_address . ")";
} else {
$monitor_address_disp = $monitor_address;
}
}
if ($gateways_status[$gname]) {
if ($display_type == "gw_ip" || $display_type == "both_ip" || ($display_type == "monitor_ip" && $monitor_address == "")) {
$if_gw = lookup_gateway_ip_by_name($gname);
} else {
$if_gw = "";
}
if ($monitor_address == $if_gw) {
$monitor_address_disp = "";
}
$data .= "" . $if_gw . $monitor_address_disp . ",";
$gws = $gateways_status[$gname];
switch (strtolower($gws['status'])) {
case "none":
$online = "Online";
$bgcolor = "#90EE90"; // lightgreen
break;
case "down":
$online = "Offline";
$bgcolor = "#F08080"; // lightcoral
break;
case "delay":
$online = "Latency";
$bgcolor = "#F0E68C"; // khaki
break;
case "loss":
$online = "Packetloss";
$bgcolor = "#F0E68C"; // khaki
break;
default:
$online = "Pending";
break;
}
} else {
if ($display_type == "gw_ip" || $display_type == "both_ip" || ($display_type == "monitor_ip" && $monitor_address == "")) {
$if_gw = "~";
} else {
$if_gw = "";
}
$data .= $if_gw . $monitor_address_disp . ",";
$gws['delay'] = "~";
$gws['loss'] = "~";
$online = "Unknown";
$bgcolor = "#ADD8E6"; // lightblue
}
$data .= ($online == "Pending") ? "{$online},{$online}," : "{$gws['delay']},{$gws['loss']},";
$data .= "{$online}^{$bgcolor}";
}
return $data;
}
function get_uptime() {
$uptime = get_uptime_sec();
if (intval($uptime) == 0) {
return;
}
$updays = (int)($uptime / 86400);
$uptime %= 86400;
$uphours = (int)($uptime / 3600);
$uptime %= 3600;
$upmins = (int)($uptime / 60);
$uptime %= 60;
$upsecs = (int)($uptime);
$uptimestr = "";
if ($updays > 1) {
$uptimestr .= "$updays Days ";
} else if ($updays > 0) {
$uptimestr .= "1 Day ";
}
if ($uphours > 1) {
$hours = "s";
}
if ($upmins > 1) {
$minutes = "s";
}
if ($upmins > 1) {
$seconds = "s";
}
$uptimestr .= sprintf("%02d Hour$hours %02d Minute$minutes %02d Second$seconds", $uphours, $upmins, $upsecs);
return $uptimestr;
}
/* Calculates non-idle CPU time and returns as a percentage */
function cpu_usage() {
$duration = 1;
$diff = array('user', 'nice', 'sys', 'intr', 'idle');
$cpuTicks = array_combine($diff, explode(" ", get_single_sysctl('kern.cp_time')));
sleep($duration);
$cpuTicks2 = array_combine($diff, explode(" ", get_single_sysctl('kern.cp_time')));
$totalStart = array_sum($cpuTicks);
$totalEnd = array_sum($cpuTicks2);
// Something wrapped ?!?!
if ($totalEnd <= $totalStart) {
return 0;
}
// Calculate total cycles used
$totalUsed = ($totalEnd - $totalStart) - ($cpuTicks2['idle'] - $cpuTicks['idle']);
// Calculate the percentage used
$cpuUsage = floor(100 * ($totalUsed / ($totalEnd - $totalStart)));
return $cpuUsage;
}
function get_pfstate($percent=false) {
global $config;
$matches = "";
if (isset($config['system']['maximumstates']) and $config['system']['maximumstates'] > 0) {
$maxstates="{$config['system']['maximumstates']}";
} else {
$maxstates=pfsense_default_state_size();
}
$curentries = `/sbin/pfctl -si |grep current`;
if (preg_match("/([0-9]+)/", $curentries, $matches)) {
$curentries = $matches[1];
}
if (!is_numeric($curentries)) {
$curentries = 0;
}
if ($percent) {
if (intval($maxstates) > 0) {
return round(($curentries / $maxstates) * 100, 0);
} else {
return "NA";
}
} else {
return $curentries . "/" . $maxstates;
}
}
function has_temp() {
/* no known temp monitors available at present */
/* should only reach here if there is no hardware monitor */
return false;
}
function get_hwtype() {
return;
}
function get_mbuf($percent=false) {
$mbufs_output=trim(`/usr/bin/netstat -mb | /usr/bin/grep "mbuf clusters in use" | /usr/bin/awk '{ print $1 }'`);
list($mbufs_current, $mbufs_cache, $mbufs_total, $mbufs_max) = explode("/", $mbufs_output);
if ($percent) {
if ($mbufs_max > 0) {
return round(($mbufs_total / $mbufs_max) * 100, 0);
} else {
return "NA";
}
} else {
return "{$mbufs_total}/{$mbufs_max}";
}
}
function get_temp() {
$temp_out = get_single_sysctl("dev.cpu.0.temperature");
if ($temp_out == "") {
$temp_out = get_single_sysctl("hw.acpi.thermal.tz0.temperature");
}
// Remove 'C' from the end and spaces
$temp_out = trim(rtrim($temp_out, 'C'));
if ($temp_out[0] == '-') {
return '';
}
return $temp_out;
}
/* Get mounted filesystems and usage. Do not display entries for virtual filesystems (e.g. devfs, nullfs, unionfs) */
function get_mounted_filesystems() {
$mout = "";
$filesystems = array();
exec("/bin/df -Tht ufs,zfs,cd9660 | /usr/bin/awk '{print $1, $2, $3, $6, $7;}'", $mout);
/* Get rid of the header */
array_shift($mout);
foreach ($mout as $fs) {
$f = array();
list($f['device'], $f['type'], $f['total_size'], $f['percent_used'], $f['mountpoint']) = explode(' ', $fs);
/* We dont' want the trailing % sign. */
$f['percent_used'] = trim($f['percent_used'], '%');
$filesystems[] = $f;
}
return $filesystems;
}
function disk_usage($slice = '/') {
$dfout = "";
exec("/bin/df -h {$slice} | /usr/bin/tail -n 1 | /usr/bin/awk '{ print $5 }' | /usr/bin/cut -d '%' -f 1", $dfout);
$diskusage = trim($dfout[0]);
return $diskusage;
}
function swap_usage() {
exec("/usr/sbin/swapinfo", $swap_info);
$swap_used = "";
foreach ($swap_info as $line) {
if (preg_match('/(\d+)%$/', $line, $matches)) {
$swap_used = $matches[1];
break;
}
}
return $swap_used;
}
function mem_usage() {
$totalMem = get_single_sysctl("vm.stats.vm.v_page_count");
if ($totalMem > 0) {
$inactiveMem = get_single_sysctl("vm.stats.vm.v_inactive_count");
$cachedMem = get_single_sysctl("vm.stats.vm.v_cache_count");
$freeMem = get_single_sysctl("vm.stats.vm.v_free_count");
$usedMem = $totalMem - ($inactiveMem + $cachedMem + $freeMem);
$memUsage = round(($usedMem * 100) / $totalMem, 0);
} else {
$memUsage = "NA";
}
return $memUsage;
}
function update_date_time() {
$datetime = date("D M j G:i:s T Y");
return $datetime;
}
function get_cpufreq() {
$cpufreqs = "";
$out = "";
$cpufreqs = explode(" ", get_single_sysctl('dev.cpu.0.freq_levels'));
$maxfreq = explode("/", $cpufreqs[0]);
$maxfreq = $maxfreq[0];
$curfreq = "";
$curfreq = get_single_sysctl('dev.cpu.0.freq');
if (($curfreq > 0) && ($curfreq != $maxfreq)) {
$out = "Current: {$curfreq} MHz, Max: {$maxfreq} MHz";
}
return $out;
}
function get_cpu_count($show_detail = false) {
$cpucount = get_single_sysctl('kern.smp.cpus');
if ($show_detail) {
$cpudetail = "";
exec("/usr/bin/grep 'SMP.*package.*core' /var/log/dmesg.boot | /usr/bin/cut -f2- -d' '", $cpudetail);
$cpucount = $cpudetail[0];
}
return $cpucount;
}
function get_load_average() {
$load_average = "";
exec("/usr/bin/uptime | /usr/bin/sed 's/^.*: //'", $load_average);
return $load_average[0];
}
function get_interfacestats() {
global $config;
//build interface list for widget use
$ifdescrs = get_configured_interface_list();
$array_in_packets = array();
$array_out_packets = array();
$array_in_bytes = array();
$array_out_bytes = array();
$array_in_errors = array();
$array_out_errors = array();
$array_collisions = array();
$array_interrupt = array();
$new_data = "";
//build data arrays
foreach ($ifdescrs as $ifdescr => $ifname) {
$ifinfo = get_interface_info($ifdescr);
$new_data .= "{$ifinfo['inpkts']},";
$new_data .= "{$ifinfo['outpkts']},";
$new_data .= format_bytes($ifinfo['inbytes']) . ",";
$new_data .= format_bytes($ifinfo['outbytes']) . ",";
if (isset($ifinfo['inerrs'])) {
$new_data .= "{$ifinfo['inerrs']},";
$new_data .= "{$ifinfo['outerrs']},";
} else {
$new_data .= "0,";
$new_data .= "0,";
}
if (isset($ifinfo['collisions'])) {
$new_data .= htmlspecialchars($ifinfo['collisions']) . ",";
} else {
$new_data .= "0,";
}
}//end for
return $new_data;
}
function get_interfacestatus() {
$data = "";
global $config;
//build interface list for widget use
$ifdescrs = get_configured_interface_with_descr();
foreach ($ifdescrs as $ifdescr => $ifname) {
$ifinfo = get_interface_info($ifdescr);
$data .= $ifname . "^";
if ($ifinfo['status'] == "up" || $ifinfo['status'] == "associated") {
$data .= "up";
} else if ($ifinfo['status'] == "no carrier") {
$data .= "down";
} else if ($ifinfo['status'] == "down") {
$data .= "block";
}
$data .= "^";
if ($ifinfo['ipaddr']) {
$data .= "" . htmlspecialchars($ifinfo['ipaddr']) . "";
}
$data .= "^";
if ($ifinfo['ipaddrv6']) {
$data .= "" . htmlspecialchars($ifinfo['ipaddrv6']) . "";
}
$data .= "^";
if ($ifinfo['status'] != "down") {
$data .= htmlspecialchars($ifinfo['media']);
}
$data .= "~";
}
return $data;
}
?>