1 files changed, 98 insertions, 0 deletions
diff --git a/usr/local/www/includes/functions.inc.php b/usr/local/www/includes/functions.inc.php
new file mode 100644
index 0000000..88465ab
--- /dev/null
+++ b/usr/local/www/includes/functions.inc.php
@@ -0,0 +1,98 @@
+<?
+function cpu_usage() {
+	return get_cpuusage(get_cputicks(), get_cputicks());
+}
+
+
+function get_uptime() {
+	exec("/sbin/sysctl -n kern.boottime", $boottime);
+	preg_match("/sec = (\d+)/", $boottime[0], $matches);
+	$boottime = $matches[1];
+	$uptime = time() - $boottime;
+
+	if ($uptime > 60)
+		$uptime += 30;
+	$updays = (int)($uptime / 86400);
+	$uptime %= 86400;
+	$uphours = (int)($uptime / 3600);
+	$uptime %= 3600;
+	$upmins = (int)($uptime / 60);
+
+	$uptimestr = "";
+	if ($updays > 1)
+		$uptimestr .= "$updays days, ";
+	else if ($updays > 0)
+		$uptimestr .= "1 day, ";
+	$uptimestr .= sprintf("%02d:%02d", $uphours, $upmins);
+	return $uptimestr;
+}
+
+function get_cputicks() {
+	$cputicks = explode(" ", `/sbin/sysctl -n kern.cp_time`);
+	return $cputicks;
+}
+
+function get_cpuusage($cpuTicks, $cpuTicks2) {
+
+	$diff = array();
+	$diff['user'] = ($cpuTicks2[0] - $cpuTicks[0])+1;
+	$diff['nice'] = ($cpuTicks2[1] - $cpuTicks[1])+1;
+	$diff['sys'] = ($cpuTicks2[2] - $cpuTicks[2])+1;
+	$diff['intr'] = ($cpuTicks2[3] - $cpuTicks[3])+1;
+	$diff['idle'] = ($cpuTicks2[4] - $cpuTicks[4])+1;
+	
+	//echo "<!-- user: {$diff['user']}  nice {$diff['nice']}  sys {$diff['sys']}  intr {$diff['intr']}  idle {$diff['idle']} -->";
+	$totalDiff = $diff['user'] + $diff['nice'] + $diff['sys'] + $diff['intr'] + $diff['idle'];
+	$totalused = $diff['user'] + $diff['nice'] + $diff['sys'] + $diff['intr'] - 1;
+	$cpuUsage = round(100 * ($totalused / $totalDiff), 0);
+	
+	#$totalDiff = $diff['user'] + $diff['nice'] + $diff['sys'] + $diff['intr'] + $diff['idle'];
+	#$cpuUsage = round(100 * (1 - $diff['idle'] / $totalDiff), 0);
+	
+	return $cpuUsage;
+}
+
+function get_pfstate() {
+	global $config;
+        if (isset($config['system']['maximumstates']) and $config['system']['maximumstates'] > 0)
+                $maxstates="/{$config['system']['maximumstates']}";
+        else
+                $maxstates="/10000";
+        $curentries = `/sbin/pfctl -si |grep current`;
+        if (preg_match("/([0-9]+)/", $curentries, $matches)) {
+             $curentries = $matches[1];
+        }
+        return $curentries . $maxstates;
+}
+
+
+function disk_usage()
+{
+	exec("df -h | grep -w '/' | awk '{ print $5 }' | cut -d '%' -f 1", $dfout);
+	$diskusage = trim($dfout[0]);
+
+	return $diskusage;
+}
+
+function swap_usage()
+{
+	$swapUsage = `/usr/sbin/swapinfo | cut -c45-55 | grep "%"`;
+	$swapUsage = ereg_replace('%', "", $swapUsage);
+	$swapUsage = ereg_replace(' ', "", $swapUsage);
+	$swapUsage = rtrim($swapUsage);
+
+	return $swapUsage;
+}
+
+function mem_usage()
+{
+	exec("/sbin/sysctl -n vm.stats.vm.v_active_count vm.stats.vm.v_inactive_count " .
+		"vm.stats.vm.v_wire_count vm.stats.vm.v_cache_count vm.stats.vm.v_free_count", $memory);
+	
+	$totalMem = $memory[0] + $memory[1] + $memory[2] + $memory[3] + $memory[4];
+	$freeMem = $memory[4];
+	$usedMem = $totalMem - $freeMem;
+	$memUsage = round(($usedMem * 100) / $totalMem, 0);
+
+	return $memUsage;
+}
+\ No newline at end of file