Merge pull request #137 from mdima/master

Updates LCDProc to version 0.5.4. 

1 files changed, 721 insertions, 0 deletions

diff --git a/config/lcdproc-dev/lcdproc_client.php b/config/lcdproc-dev/lcdproc_client.php
new file mode 100644
index 00000000..526aee00
--- /dev/null
+++ b/config/lcdproc-dev/lcdproc_client.php
@@ -0,0 +1,721 @@
+<?php
+/* $Id$ */
+/*
+        lcdproc_client.php
+        Copyright (C) 2007 Seth Mos <seth.mos@xs4all.nl>
+        All rights reserved.
+
+        Redistribution and use in source and binary forms, with or without
+        modification, are permitted provided that the following conditions are met:
+
+        1. Redistributions of source code must retain the above copyright notice,
+           this list of conditions and the following disclaimer.
+
+        2. Redistributions in binary form must reproduce the above copyright
+           notice, this list of conditions and the following disclaimer in the
+           documentation and/or other materials provided with the distribution.
+
+        THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+        INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+        AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+        AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+        OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+        SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+        INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+        CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+        ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+        POSSIBILITY OF SUCH DAMAGE.
+*/
+	
+	/*   trick interface into running this.  we are only
+	 *   calling from useland so this is not a security issue 
+	 */
+	require_once("config.inc");
+	require_once("functions.inc");
+	require_once("/usr/local/pkg/lcdproc.inc");
+
+	function get_pfstate() {
+		global $config;
+		$matches = "";
+		if (isset($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() {
+		$dfout = "";
+		exec("/bin/df -h | /usr/bin/grep -w '/' | /usr/bin/awk '{ print $5 }' | /usr/bin/cut -d '%' -f 1", $dfout);
+		$diskusage = trim($dfout[0]);
+
+		return $diskusage;
+	}
+
+	function mem_usage() {
+		$memory = "";
+		exec("/sbin/sysctl -n vm.stats.vm.v_page_count vm.stats.vm.v_inactive_count " .
+			"vm.stats.vm.v_cache_count vm.stats.vm.v_free_count", $memory);
+
+		$totalMem = $memory[0];
+		$availMem = $memory[1] + $memory[2] + $memory[3];
+		$usedMem = $totalMem - $availMem;
+		$memUsage = round(($usedMem * 100) / $totalMem, 0);
+
+		return $memUsage;
+	}
+
+	/*function array_combine($arr1, $arr2) {
+		$out = array();
+
+		$arr1 = array_values($arr1);
+		$arr2 = array_values($arr2);
+
+		foreach($arr1 as $key1 => $value1) {
+			$out[(string)$value1] = $arr2[$key1];
+		}
+
+		return $out;
+	}*/
+
+	/* 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(" ", `/sbin/sysctl -n kern.cp_time`));
+		sleep($duration);
+		$cpuTicks2 = array_combine($diff, explode(" ", `/sbin/sysctl -n 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_uptime_stats() {
+		exec("/usr/bin/uptime", $output, $ret);
+		if(stristr($output[0], "day")) {
+			$temp = explode(" ", $output[0]);
+			$status = "$temp[2] $temp[3] $temp[4] $temp[5] $temp[6] $temp[7] ". substr($temp[8], 0, -1);
+		} else {
+			$temp = explode(" ", $output[0]);
+			$status = "$temp[2] $temp[3] $temp[4] $temp[5] $temp[6] ". substr($temp[7], 0, -1);
+		}
+		return($status);
+	}
+
+	function get_loadavg_stats() {
+		exec("/usr/bin/uptime", $output, $ret);
+		if(stristr($output[0], "day")) {
+			$temp = explode(" ", $output[0]);
+			$status = "$temp[11] $temp[12] $temp[13]";
+		} else {
+			$temp = explode(" ", $output[0]);
+			$status = "$temp[10] $temp[11] $temp[12]";
+		}
+		return($status);
+	}
+	
+	function get_mbuf_stats() {	
+		exec("netstat -mb | grep \"mbufs in use\" | awk '{ print $1 }' | cut -d\"/\" -f1", $mbufs_inuse);
+		exec("netstat -mb | grep \"mbufs in use\" | awk '{ print $1 }' | cut -d\"/\" -f3", $mbufs_total);
+		$status = "$mbufs_inuse[0] \/ $mbufs_total[0]";
+		return($status);
+	}
+	
+	function get_cpufrequency(){
+		$cpufreqs = "";
+		exec("/sbin/sysctl -n dev.cpu.0.freq_levels", $cpufreqs);
+		$cpufreqs = explode(" ", trim($cpufreqs[0]));
+		$maxfreq = explode("/", $cpufreqs[0]);
+		$maxfreq = $maxfreq[0];
+		$curfreq = "";
+		exec("/sbin/sysctl -n dev.cpu.0.freq", $curfreq);
+		$curfreq = trim($curfreq[0]);
+		$status = "$curfreq\/$maxfreq Mhz";
+		return($status);
+	}
+
+	function get_interfaces_stats() {
+		global $g;
+		global $config;
+		$ifstatus = array();
+		$i = 0;
+		$ifdescrs = array('wan' => 'WAN', 'lan' => 'LAN');
+		for ($j = 1; isset($config['interfaces']['opt' . $j]); $j++) {
+			$ifdescrs['opt' . $j] = $config['interfaces']['opt' . $j]['descr'];
+		}
+		foreach ($ifdescrs as $ifdescr => $ifname){
+			$ifinfo = get_interface_info($ifdescr);
+			if($ifinfo['status'] == "up") {
+				$online = "Up";
+			} else {
+				$online = "Down";
+			}
+			if(!empty($ifinfo['ipaddr'])) {
+				$ip = htmlspecialchars($ifinfo['ipaddr']);
+			} else {
+				$ip = "-";
+			}
+			$ifstatus[] = htmlspecialchars($ifname) ." [$online]";
+		}
+		$status = " ". implode(", ", $ifstatus);
+		return($status);
+	}
+
+	function get_slbd_stats() {
+		global $g;
+		global $config;
+
+		if (!is_array($config['load_balancer']['lbpool'])) {
+			$config['load_balancer']['lbpool'] = array();
+		}
+		$a_pool = &$config['load_balancer']['lbpool'];
+
+		$slbd_logfile = "{$g['varlog_path']}/slbd.log";
+
+		$nentries = $config['syslog']['nentries'];
+		if (!$nentries)
+		        $nentries = 50;
+
+		$now = time();
+		$year = date("Y");
+		$pstatus = "";
+		$i = 0;
+		foreach ($a_pool as $vipent) {
+			$pstatus[] = "{$vipent['name']}";
+			if ($vipent['type'] == "gateway") {
+				$poolfile = "{$g['tmp_path']}/{$vipent['name']}.pool";
+				if(file_exists("$poolfile")) {
+					$poolstatus = file_get_contents("$poolfile");
+				} else {
+					continue;
+				}
+				foreach ((array) $vipent['servers'] as $server) {
+					$lastchange = "";
+                                        $svr = split("\|", $server);
+					$monitorip = $svr[1];
+					if(stristr($poolstatus, $monitorip)) {
+						$online = "Up";
+					} else {
+						$online = "Down";
+					}
+					$pstatus[] = strtoupper($svr[0]) ." [{$online}]";
+				}
+			} else {
+				$pstatus[] = "{$vipent['monitor']}";
+			}
+		}
+		if(count($a_pool) == 0) {
+			$pstatus[] = "Disabled";
+		}
+		$status = implode(", ", $pstatus);
+		return($status);
+	}
+
+	function get_carp_stats () {
+		global $g;
+		global $config;
+
+		if(is_array($config['virtualip']['vip'])) {
+		  	$carpint = 0;
+			$initcount = 0;
+			$mastercount = 0;
+			$backupcount = 0;
+			foreach($config['virtualip']['vip'] as $carp) {
+				if ($carp['mode'] != "carp") {
+					 continue;
+				}
+				$ipaddress = $carp['subnet'];
+				$password = $carp['password'];
+				$netmask = $carp['subnet_bits'];
+				$vhid = $carp['vhid'];
+				$advskew = $carp['advskew'];
+				$carp_int = find_carp_interface($ipaddress);
+				$status = get_carp_interface_status($carp_int);
+				switch($status) {
+					case "MASTER":
+						$mastercount++;
+						break;
+					case "BACKUP":
+						$backupcount++;
+						break;
+					case "INIT":
+						$initcount++;
+						break;
+				}
+			}
+			$status = "M/B/I {$mastercount}/{$backupcount}/{$initcount}";
+		} else {
+			$status = "CARP Disabled";
+		}
+		return($status);
+	}
+
+	function get_ipsec_tunnel_sad() {
+		/* query SAD */
+		if(file_exists("/usr/local/sbin/setkey"))
+			$fd = @popen("/usr/local/sbin/setkey -D", "r"); 
+		else
+			$fd = @popen("/sbin/setkey -D", "r"); 
+		$sad = array();
+		if ($fd) {
+			while (!feof($fd)) {
+				$line = chop(fgets($fd));
+				if (!$line)
+					continue;
+				if ($line == "No SAD entries.")
+					break;
+				if ($line[0] != "\t") {
+					if (is_array($cursa))
+						$sad[] = $cursa;
+						$cursa = array();
+					list($cursa['src'],$cursa['dst']) = explode(" ", $line);
+					$i = 0;
+				} else {
+					$linea = explode(" ", trim($line));
+					if ($i == 1) {
+						$cursa['proto'] = $linea[0];
+						$cursa['spi'] = substr($linea[2], strpos($linea[2], "x")+1, -1);
+					} else if ($i == 2) {
+							$cursa['ealgo'] = $linea[1];
+					} else if ($i == 3) {
+						$cursa['aalgo'] = $linea[1];
+					}
+				}
+			$i++;
+				}
+			if (is_array($cursa) && count($cursa))
+				$sad[] = $cursa;
+			pclose($fd);
+		}
+		return($sad);
+	}
+
+	function get_ipsec_tunnel_src($tunnel) {
+		global $g, $config, $sad;
+		$if = "WAN";
+		if ($tunnel['interface']) {
+			$if = $tunnel['interface'];
+			$realinterface = convert_friendly_interface_to_real_interface_name($if);
+			$interfaceip = find_interface_ip($realinterface);
+		}
+		return $interfaceip;
+	}
+
+	function output_ipsec_tunnel_status($tunnel) {
+		global $g, $config, $sad;
+		$if = "WAN";
+		$interfaceip = get_ipsec_tunnel_src($tunnel);
+		$foundsrc = false;
+		$founddst = false;
+
+		if(!is_array($sad)) {
+			/* we have no sad array, bail */
+			return(false);
+		}
+		foreach($sad as $sa) {
+			if($sa['src'] == $interfaceip) 
+				$foundsrc = true;
+			if($sa['dst'] == $tunnel['remote-gateway']) 
+				$founddst = true;
+		}
+		if($foundsrc && $founddst) { 
+			/* tunnel is up */
+			$iconfn = "pass";
+			return(true);
+		} else {
+			/* tunnel is down */
+			$iconfn = "reject";
+			return(false);
+		}
+	}
+
+	function get_ipsec_stats() {
+		global $g, $config, $sad;
+		$sad = array();
+		$sad = get_ipsec_tunnel_sad();
+
+		$activecounter = 0;
+		$inactivecounter = 0;
+
+		if($config['ipsec']['tunnel']) {
+			foreach ($config['ipsec']['tunnel'] as $tunnel){ 
+				$ipsecstatus = false;
+
+				$tun_disabled = "false";
+				$foundsrc = false;
+				$founddst = false; 
+	
+				if (isset($tunnel['disabled'])) {
+					$tun_disabled = "true";
+					continue;
+				}		
+			
+				if(output_ipsec_tunnel_status($tunnel)) {
+					/* tunnel is up */
+					$iconfn = "true";
+					$activecounter++;
+				} else {
+					/* tunnel is down */
+					$iconfn = "false";
+					$inactivecounter++;
+				}			
+			}
+		}
+
+		if (is_array($config['ipsec']['tunnel'])) {
+			$status = "Up/Down $activecounter/$inactivecounter";
+		} else {
+			$status = "IPSEC Disabled";
+		}
+		return($status);
+	}
+
+	
+	/* Define functions */
+	function send_lcd_commands($lcd, $lcd_cmds) {
+		if(!is_array($lcd_cmds) || (empty($lcd_cmds))) {
+			lcdproc_warn("Failed to interpret lcd commands");
+			return;
+		}
+		foreach($lcd_cmds as $lcd_cmd) {
+			$cmd_output = "";
+			if(! fwrite($lcd, "$lcd_cmd\n")) {
+				lcdproc_warn("Connection to LCDd process lost $errstr ($errno)");
+				die();
+			}
+			$cmd_output = fgets($lcd, 256);
+			// FIXME: add support for interpreting menu commands here.
+			if(preg_match("/^huh?/", $cmd_output)) {
+				lcdproc_notice("LCDd output: \"$cmd_output\". Executed \"$lcd_cmd\"");
+			}
+		}
+	}
+
+	function get_lcdpanel_width(){
+		global $config;
+		$lcdproc_size_config = $config['installedpackages']['lcdproc']['config'][0];
+		if (is_null($lcdproc_size_config['size'])) {
+			return "16";
+		}
+		else
+		{
+			$dimensions = split("x", $lcdproc_size_config['size']);
+			return $dimensions[0];
+		}
+	}
+	
+	function get_lcdpanel_height(){
+		global $config;
+		$lcdproc_size_config = $config['installedpackages']['lcdproc']['config'][0];
+		if (is_null($lcdproc_size_config['size'])) {
+			return "2";
+		}
+		else
+		{
+			$dimensions = split("x", $lcdproc_size_config['size']);
+			return $dimensions[1];
+		}
+	}	
+	
+	function get_lcdpanel_refresh_frequency(){
+		global $config;
+		$lcdproc_size_config = $config['installedpackages']['lcdproc']['config'][0];
+		$value = $lcdproc_size_config['refresh_frequency'];
+		if (is_null($value)) {
+			return "5";
+		}	
+		else
+		{
+			return $value;
+		}
+	}
+	
+	function add_summary_declaration(&$lcd_cmds, $name) {
+		$lcdpanel_height = get_lcdpanel_height();
+		if ($lcdpanel_height >= "4")
+		{
+			$lcd_cmds[] = "widget_add $name title_summary scroller";					
+			$lcd_cmds[] = "widget_add $name text_summary scroller";
+		}				
+	}
+	
+	function add_summary_values(&$lcd_cmds, $name, $lcd_summary_data, $lcdpanel_width) {
+		if ($lcd_summary_data != "")
+		{
+			$lcd_cmds[] = "widget_set $name title_summary 1 3 $lcdpanel_width 3 h 2 \"CPU MEM STATES\"";
+			$lcd_cmds[] = "widget_set $name text_summary 1 4 $lcdpanel_width 4 h 2 \"{$lcd_summary_data}\"";
+		}
+	}
+	
+	function build_interface($lcd) {
+		global $g;
+		global $config;
+		$lcdproc_screens_config = $config['installedpackages']['lcdprocscreens']['config'][0];		
+		$refresh_frequency = get_lcdpanel_refresh_frequency() * 10;
+		
+		$lcd_cmds = array();
+		$lcd_cmds[] = "hello";
+		$lcd_cmds[] = "client_set name pfSense";
+		$lcd_cmds[] = "screen_add welcome_scr";
+		$lcd_cmds[] = "screen_set welcome_scr heartbeat off";
+		$lcd_cmds[] = "screen_set welcome_scr name welcome";
+		$lcd_cmds[] = "screen_set welcome_scr duration $refresh_frequency";
+		$lcd_cmds[] = "widget_add welcome_scr title_wdgt title";
+		$lcd_cmds[] = "widget_add welcome_scr text_wdgt scroller";
+		add_summary_declaration($lcd_cmds, "welcome_scr");
+		
+		/* process screens to display */
+		if(is_array($lcdproc_screens_config)) {
+			foreach($lcdproc_screens_config as $name => $screen) {
+				if($screen == "on") {
+					switch($name) {
+						case "scr_time":
+							$lcd_cmds[] = "screen_add $name";
+							$lcd_cmds[] = "screen_set $name heartbeat off";
+							$lcd_cmds[] = "screen_set $name name $name";
+							$lcd_cmds[] = "screen_set $name duration $refresh_frequency";
+							$lcd_cmds[] = "widget_add $name title_wdgt string";
+							$lcd_cmds[] = "widget_add $name text_wdgt scroller";
+							break;
+						case "scr_uptime":
+							$lcd_cmds[] = "screen_add $name";
+							$lcd_cmds[] = "screen_set $name heartbeat off";
+							$lcd_cmds[] = "screen_set $name name $name";
+							$lcd_cmds[] = "screen_set $name duration $refresh_frequency";
+							$lcd_cmds[] = "widget_add $name title_wdgt string";
+							$lcd_cmds[] = "widget_add $name text_wdgt scroller";
+							break;
+						case "scr_hostname":
+							$lcd_cmds[] = "screen_add $name";
+							$lcd_cmds[] = "screen_set $name heartbeat off";
+							$lcd_cmds[] = "screen_set $name name $name";
+							$lcd_cmds[] = "screen_set $name duration $refresh_frequency";
+							$lcd_cmds[] = "widget_add $name title_wdgt string";
+							$lcd_cmds[] = "widget_add $name text_wdgt scroller";
+							break;
+						case "scr_system":
+							$lcd_cmds[] = "screen_add $name";
+							$lcd_cmds[] = "screen_set $name heartbeat off";
+							$lcd_cmds[] = "screen_set $name name $name";
+							$lcd_cmds[] = "screen_set $name duration $refresh_frequency";
+							$lcd_cmds[] = "widget_add $name title_wdgt string";
+							$lcd_cmds[] = "widget_add $name text_wdgt scroller";
+							break;
+						case "scr_disk":
+							$lcd_cmds[] = "screen_add $name";
+							$lcd_cmds[] = "screen_set $name heartbeat off";
+							$lcd_cmds[] = "screen_set $name name $name";
+							$lcd_cmds[] = "screen_set $name duration $refresh_frequency";
+							$lcd_cmds[] = "widget_add $name title_wdgt string";
+							$lcd_cmds[] = "widget_add $name text_wdgt scroller";
+							break;
+						case "scr_load":
+							$lcd_cmds[] = "screen_add $name";
+							$lcd_cmds[] = "screen_set $name heartbeat off";
+							$lcd_cmds[] = "screen_set $name name $name";
+							$lcd_cmds[] = "screen_set $name duration $refresh_frequency";
+							$lcd_cmds[] = "widget_add $name title_wdgt string";
+							$lcd_cmds[] = "widget_add $name text_wdgt scroller";
+							break;
+						case "scr_states":
+							$lcd_cmds[] = "screen_add $name";
+							$lcd_cmds[] = "screen_set $name heartbeat off";
+							$lcd_cmds[] = "screen_set $name name $name";
+							$lcd_cmds[] = "screen_set $name duration $refresh_frequency";
+							$lcd_cmds[] = "widget_add $name title_wdgt string";
+							$lcd_cmds[] = "widget_add $name text_wdgt scroller";
+							break;
+						case "scr_carp":
+							$lcd_cmds[] = "screen_add $name";
+							$lcd_cmds[] = "screen_set $name heartbeat off";
+							$lcd_cmds[] = "screen_set $name name $name";
+							$lcd_cmds[] = "screen_set $name duration $refresh_frequency";
+							$lcd_cmds[] = "widget_add $name title_wdgt string";
+							$lcd_cmds[] = "widget_add $name text_wdgt scroller";
+							break;
+						case "scr_ipsec":
+							$lcd_cmds[] = "screen_add $name";
+							$lcd_cmds[] = "screen_set $name heartbeat off";
+							$lcd_cmds[] = "screen_set $name name $name";
+							$lcd_cmds[] = "screen_set $name duration $refresh_frequency";
+							$lcd_cmds[] = "widget_add $name title_wdgt string";
+							$lcd_cmds[] = "widget_add $name text_wdgt scroller";
+							break;
+						case "scr_slbd":
+							$lcd_cmds[] = "screen_add $name";
+							$lcd_cmds[] = "screen_set $name heartbeat off";
+							$lcd_cmds[] = "screen_set $name name $name";
+							$lcd_cmds[] = "screen_set $name duration $refresh_frequency";
+							$lcd_cmds[] = "widget_add $name title_wdgt string";
+							$lcd_cmds[] = "widget_add $name text_wdgt scroller";
+							break;
+						case "scr_interfaces":
+							$lcd_cmds[] = "screen_add $name";
+							$lcd_cmds[] = "screen_set $name heartbeat off";
+							$lcd_cmds[] = "screen_set $name name $name";
+							$lcd_cmds[] = "screen_set $name duration $refresh_frequency";
+							$lcd_cmds[] = "widget_add $name title_wdgt string";
+							$lcd_cmds[] = "widget_add $name text_wdgt scroller";
+							break;
+						case "scr_mbuf":
+							$lcd_cmds[] = "screen_add $name";
+							$lcd_cmds[] = "screen_set $name heartbeat off";
+							$lcd_cmds[] = "screen_set $name name $name";
+							$lcd_cmds[] = "screen_set $name duration $refresh_frequency";
+							$lcd_cmds[] = "widget_add $name title_wdgt string";
+							$lcd_cmds[] = "widget_add $name text_wdgt scroller";
+							break;
+						case "scr_cpufrequency":
+							$lcd_cmds[] = "screen_add $name";
+							$lcd_cmds[] = "screen_set $name heartbeat off";
+							$lcd_cmds[] = "screen_set $name name $name";
+							$lcd_cmds[] = "screen_set $name duration $refresh_frequency";
+							$lcd_cmds[] = "widget_add $name title_wdgt string";
+							$lcd_cmds[] = "widget_add $name text_wdgt scroller";
+							break;							
+					}
+					add_summary_declaration($lcd_cmds, $name);
+				}
+			}
+		}
+		send_lcd_commands($lcd, $lcd_cmds);
+	}
+
+	function loop_status($lcd) {
+		global $g;
+		global $config;
+		$lcdproc_screens_config = $config['installedpackages']['lcdprocscreens']['config'][0];
+		$lcdpanel_width = get_lcdpanel_width();
+		$lcdpanel_height = get_lcdpanel_height();
+		if(empty($g['product_name'])) {
+			$g['product_name'] = "pfSense";
+		}
+		$version = @file_get_contents("/etc/version");
+		$version = trim($version);
+		$refresh_frequency = get_lcdpanel_refresh_frequency();
+		/* keep a counter to see how many times we can loop */
+		$i = 1;
+		while($i) {
+			/* prepare the summary data */
+			if ($lcdpanel_height >= "4") {
+				$summary_states = split("/",get_pfstate());
+				$lcd_summary_data = sprintf("%02d%% %02d%% %6d", cpu_usage(),  mem_usage(), $summary_states[0]);			
+			}
+			else {	
+				$lcd_summary_data = "";}
+
+			$lcd_cmds = array();
+			$lcd_cmds[] = "widget_set welcome_scr title_wdgt \"Welcome to\"";
+			$lcd_cmds[] = "widget_set welcome_scr text_wdgt 1 2 $lcdpanel_width 2 h 2 \"{$g['product_name']} {$version}\"";
+			add_summary_values($lcd_cmds, "welcome_scr", $lcd_summary_data, $lcdpanel_width);
+			
+			/* process screens to display */
+			foreach((array) $lcdproc_screens_config as $name => $screen) {
+				if($screen != "on") {
+					continue;
+				}
+				switch($name) {
+					case "scr_time":
+						$time = date("n/j/Y H:i");
+						$lcd_cmds[] = "widget_set $name title_wdgt 1 1 \"+ System Time\"";
+						$lcd_cmds[] = "widget_set $name text_wdgt 1 2 $lcdpanel_width 2 h 2 \"{$time}\"";
+						break;
+					case "scr_uptime":
+						$uptime = get_uptime_stats();
+						$lcd_cmds[] = "widget_set $name title_wdgt 1 1 \"+ System Uptime\"";
+						$lcd_cmds[] = "widget_set $name text_wdgt 1 2 $lcdpanel_width 2 h 2 \"{$uptime}\"";
+						break;
+					case "scr_hostname":
+						exec("/bin/hostname", $output, $ret);
+						$hostname = $output[0];
+						$lcd_cmds[] = "widget_set $name title_wdgt 1 1 \"+ System Name\"";
+						$lcd_cmds[] = "widget_set $name text_wdgt 1 2 $lcdpanel_width 2 h 2 \"{$hostname}\"";
+						break;
+					case "scr_system":
+						$processor = cpu_usage();
+						$memory = mem_usage();
+						$lcd_cmds[] = "widget_set $name title_wdgt 1 1 \"+ System Stats\"";
+						$lcd_cmds[] = "widget_set $name text_wdgt 1 2 $lcdpanel_width 2 h 2 \"CPU {$processor}%, Mem {$memory}%\"";
+						break;
+					case "scr_disk":
+						$disk = disk_usage();
+						$lcd_cmds[] = "widget_set $name title_wdgt 1 1 \"+ Disk Use\"";
+						$lcd_cmds[] = "widget_set $name text_wdgt 1 2 $lcdpanel_width 2 h 2 \"Disk {$disk}%\"";
+						break;
+					case "scr_load":
+						$loadavg = get_loadavg_stats();
+						$lcd_cmds[] = "widget_set $name title_wdgt 1 1 \"+ Load Averages\"";
+						$lcd_cmds[] = "widget_set $name text_wdgt 1 2 $lcdpanel_width 2 h 2 \"{$loadavg}\"";
+						break;
+					case "scr_states":
+						$states = get_pfstate();
+						$lcd_cmds[] = "widget_set $name title_wdgt 1 1 \"+ Traffic States\"";
+						$lcd_cmds[] = "widget_set $name text_wdgt 1 2 $lcdpanel_width 2 h 2 \"Curr/Max {$states}\"";
+						break;
+					case "scr_carp":
+						$carp = get_carp_stats();
+						$lcd_cmds[] = "widget_set $name title_wdgt 1 1 \"+ CARP State\"";
+						$lcd_cmds[] = "widget_set $name text_wdgt 1 2 $lcdpanel_width 2 h 2 \"{$carp}\"";
+						break;
+					case "scr_ipsec":
+						$ipsec = get_ipsec_stats();
+						$lcd_cmds[] = "widget_set $name title_wdgt 1 1 \"+ IPsec Tunnels\"";
+						$lcd_cmds[] = "widget_set $name text_wdgt 1 2 $lcdpanel_width 2 h 2 \"{$ipsec}\"";
+						break;
+					case "scr_slbd":
+						$slbd = get_slbd_stats();
+						$lcd_cmds[] = "widget_set $name title_wdgt 1 1 \"+ Load Balancer\"";
+						$lcd_cmds[] = "widget_set $name text_wdgt 1 2 $lcdpanel_width 2 h 2 \"{$slbd}\"";
+						break;
+					case "scr_interfaces":
+						$interfaces = get_interfaces_stats();
+						$lcd_cmds[] = "widget_set $name title_wdgt 1 1 \"+ Interfaces\"";
+						$lcd_cmds[] = "widget_set $name text_wdgt 1 2 $lcdpanel_width 2 h 2 \"{$interfaces}\"";
+						break;
+					case "scr_mbuf":
+						$mbufstats = get_mbuf_stats();
+						$lcd_cmds[] = "widget_set $name title_wdgt 1 1 \"+ MBuf Usage\"";
+						$lcd_cmds[] = "widget_set $name text_wdgt 1 2 $lcdpanel_width 2 h 2 \"{$mbufstats}\"";
+						break;
+					case "scr_cpufrequency":
+						$cpufreq = get_cpufrequency();
+						$lcd_cmds[] = "widget_set $name title_wdgt 1 1 \"+ CPU Frequency\"";
+						$lcd_cmds[] = "widget_set $name text_wdgt 1 2 $lcdpanel_width 2 h 2 \"{$cpufreq}\"";
+						break;
+				}
+				add_summary_values($lcd_cmds, $name, $lcd_summary_data, $lcdpanel_width);
+			}
+			send_lcd_commands($lcd, $lcd_cmds);
+			sleep($refresh_frequency);
+			$i++;
+		}
+	}
+
+	/* Connect to the LCDd port and interface with the LCD */
+	$lcd = fsockopen(LCDPROC_HOST, LCDPROC_PORT, $errno, $errstr, 10);
+	if (!$lcd) {
+		lcdproc_warn("Failed to connect to LCDd process $errstr ($errno)");
+	} else {
+		build_interface($lcd);
+		loop_status($lcd);
+		/* loop exited? Close fd and wait for the script to kick in again */
+		fclose($lcd);
+	}
+?>