<%#
LuCI - Lua Configuration Interface
Copyright 2008 Steven Barth <steven@midlink.org>
Copyright 2008-2011 Jo-Philipp Wich <xm@subsignal.org>

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

	http://www.apache.org/licenses/LICENSE-2.0

$Id$

-%>

<%
	require "luci.fs"
	require "luci.tools.status"

	local has_ipv6 = luci.fs.access("/proc/net/ipv6_route")
	local has_dhcp = luci.fs.access("/etc/config/dhcp")
	local has_wifi = luci.fs.stat("/etc/config/wireless")
	      has_wifi = has_wifi and has_wifi.size > 0

	if luci.http.formvalue("status") == "1" then
		local ntm = require "luci.model.network".init()
		local dr4 = luci.sys.net.defaultroute()
		local dr6 = luci.sys.net.defaultroute6()
		local wan, wan6

		if dr4 and dr4.device then
			wan = ntm:get_interface(dr4.device)
			wan = wan and wan:get_network()
		end

		if dr6 and dr6.device then
			wan6 = ntm:get_interface(dr6.device)
			wan6 = wan6 and wan6:get_network()
		end

		local _, _, memtotal, memcached, membuffers, memfree = luci.sys.sysinfo()

		local conn_count = tonumber((
			luci.sys.exec("wc -l /proc/net/nf_conntrack") or
			luci.sys.exec("wc -l /proc/net/ip_conntrack") or
			""):match("%d+")) or 0

		local conn_max = tonumber((
			luci.sys.exec("sysctl net.nf_conntrack_max") or
			luci.sys.exec("sysctl net.ipv4.netfilter.ip_conntrack_max") or
			""):match("%d+")) or 4096

		local rv = {
			uptime     = luci.sys.uptime(),
			localtime  = os.date(),
			loadavg    = { luci.sys.loadavg() },
			memtotal   = memtotal,
			memcached  = memcached,
			membuffers = membuffers,
			memfree    = memfree,
			connmax    = conn_max,
			conncount  = conn_count,
			leases     = luci.tools.status.dhcp_leases(),
			wifinets   = luci.tools.status.wifi_networks()
		}

		if wan then
			rv.wan = {
				ipaddr  = wan:ipaddr(),
				gwaddr  = wan:gwaddr(),
				netmask = wan:netmask(),
				dns     = wan:dnsaddrs(),
				expires = wan:expires(),
				uptime  = wan:uptime(),
				proto   = wan:proto(),
				ifname  = wan:ifname(),
				link    = wan:adminlink()
			}
		end

		if wan6 then
			rv.wan6 = {
				ip6addr = wan6:ip6addr(),
				gw6addr = wan6:gw6addr(),
				dns     = wan6:dns6addrs(),
				uptime  = wan6:uptime(),
				ifname  = wan6:ifname(),
				link    = wan6:adminlink()
			}
		end

		luci.http.prepare_content("application/json")
		luci.http.write_json(rv)

		return
	end

	local system, model = luci.sys.sysinfo()
-%>

<%+header%>

<script type="text/javascript" src="<%=resource%>/cbi.js"></script>
<script type="text/javascript">//<![CDATA[
	function progressbar(v, m)
	{
		var vn = parseInt(v) || 0;
		var mn = parseInt(m) || 100;
		var pc = Math.floor((100 / mn) * vn);

		return String.format(
			'<div style="width:200px; position:relative; border:1px solid #999999">' +
				'<div style="background-color:#CCCCCC; width:%d%%; height:15px">' +
					'<div style="position:absolute; left:0; top:0; text-align:center; width:100%%; color:#000000">' +
						'<small>%s / %s (%d%%)</small>' +
					'</div>' +
				'</div>' +
			'</div>', pc, v, m, pc
		);
	}

	var iwxhr = new XHR();
	var wifidevs = <%=luci.http.write_json(netdevs)%>;
	var arptable = <%=luci.http.write_json(arpcache)%>;

	var update_status = function() {
		iwxhr.get('<%=REQUEST_URI%>', { status: 1 },
			function(x, info)
			{
				var si = document.getElementById('wan4_i');
				var ss = document.getElementById('wan4_s');
				var ifc = info.wan;

				if (ifc && ifc.ifname && ifc.proto != 'none')
				{
					var s = String.format(
						'<strong><%:Type%>: </strong>%s<br />' +
						'<strong><%:Address%>: </strong>%s<br />' +
						'<strong><%:Netmask%>: </strong>%s<br />' +
						'<strong><%:Gateway%>: </strong>%s<br />',
							ifc.proto,
							(ifc.ipaddr) ? ifc.ipaddr : '0.0.0.0',
							(ifc.netmask && ifc.netmask != ifc.ipaddr) ? ifc.netmask : '255.255.255.255',
							(ifc.gwaddr) ? ifc.gwaddr : '0.0.0.0'
					);

					for (var i = 0; i < ifc.dns.length; i++)
					{
						s += String.format(
							'<strong><%:DNS%> %d: </strong>%s<br />',
							i + 1, ifc.dns[i]
						);
					}

					if (ifc.expires > -1)
					{
						s += String.format(
							'<strong><%:Expires%>: </strong>%t<br />',
							ifc.expires
						);
					}

					if (ifc.uptime > 0)
					{
						s += String.format(
							'<strong><%:Connected%>: </strong>%t<br />',
							ifc.uptime
						);
					}

					ss.innerHTML = String.format('<small>%s</small>', s);
					si.innerHTML = String.format(
						'<img src="<%=resource%>/icons/ethernet.png" />' +
						'<br /><small><a href="%s">%s</a></small>',
							ifc.link, ifc.ifname
					);
				}
				else
				{
					si.innerHTML = '<img src="<%=resource%>/icons/ethernet_disabled.png" /><br /><small>?</small>';
					ss.innerHTML = '<em>Not connected</em>';
				}

				<% if has_ipv6 then %>
				var si6 = document.getElementById('wan6_i');
				var ss6 = document.getElementById('wan6_s');
				var ifc6 = info.wan6;

				if (ifc6 && ifc6.ifname && ifc6.proto != 'none')
				{
					var s = String.format(
						'<strong><%:Address%>: </strong>%s<br />' +
						'<strong><%:Gateway%>: </strong>%s<br />',
							(ifc6.ip6addr) ? ifc6.ip6addr : '::',
							(ifc6.gw6addr) ? ifc6.gw6addr : '::'
					);

					for (var i = 0; i < ifc6.dns.length; i++)
					{
						s += String.format(
							'<strong><%:DNS%> %d: </strong>%s<br />',
							i + 1, ifc6.dns[i]
						);
					}

					if (ifc6.uptime > 0)
					{
						s += String.format(
							'<strong><%:Connected%>: </strong>%t<br />',
							ifc6.uptime
						);
					}

					ss6.innerHTML = String.format('<small>%s</small>', s);
					si6.innerHTML = String.format(
						'<img src="<%=resource%>/icons/ethernet.png" />' +
						'<br /><small><a href="%s">%s</a></small>',
							ifc6.link, ifc6.ifname
					);
				}
				else
				{
					si6.innerHTML = '<img src="<%=resource%>/icons/ethernet_disabled.png" /><br /><small>?</small>';
					ss6.innerHTML = '<em>Not connected</em>';
				}
				<% end %>

				<% if has_dhcp then %>
				var ls = document.getElementById('lease_status_table');
				if (ls)
				{
					/* clear all rows */
					while( ls.rows.length > 1 )
						ls.rows[0].parentNode.deleteRow(1);

					for( var i = 0; i < info.leases.length; i++ )
					{
						var timestr;

						if (info.leases[i].expires <= 0)
							timestr = '<em><%:expired%></em>';
						else
							timestr = String.format('%t', info.leases[i].expires);

						var tr = ls.rows[0].parentNode.insertRow(-1);
							tr.className = 'cbi-section-table-row cbi-rowstyle-' + ((i % 2) + 1);

						tr.insertCell(-1).innerHTML = info.leases[i].hostname ? info.leases[i].hostname : '?';
						tr.insertCell(-1).innerHTML = info.leases[i].ipaddr;
						tr.insertCell(-1).innerHTML = info.leases[i].macaddr;
						tr.insertCell(-1).innerHTML = timestr;
					}

					if( ls.rows.length == 1 )
					{
						var tr = ls.rows[0].parentNode.insertRow(-1);
							tr.className = 'cbi-section-table-row';

						var td = tr.insertCell(-1);
							td.colSpan = 4;
							td.innerHTML = '<em><br /><%:There are no active leases.%></em>';
					}
				}
				<% end %>

				<% if has_wifi then %>
				var assoclist = [ ];

				var ws = document.getElementById('wifi_status_table');
				if (ws)
				{
					var wsbody = ws.rows[0].parentNode;
					while (ws.rows.length > 0)
						wsbody.deleteRow(0);

					for (var didx = 0; didx < info.wifinets.length; didx++)
					{
						var dev = info.wifinets[didx];

						var tr = wsbody.insertRow(-1);
						var td;

						td = tr.insertCell(-1);
						td.width     = "33%";
						td.innerHTML = dev.name;
						td.style.verticalAlign = "top";

						td = tr.insertCell(-1);

						var s = '';

						for (var nidx = 0; nidx < dev.networks.length; nidx++)
						{
							var net = dev.networks[nidx];
							var is_assoc = (net.bssid != '00:00:00:00:00:00' && net.channel);

							var icon;
							if (!is_assoc)
								icon = "<%=resource%>/icons/signal-none.png";
							else if (net.quality == 0)
								icon = "<%=resource%>/icons/signal-0.png";
							else if (net.quality < 25)
								icon = "<%=resource%>/icons/signal-0-25.png";
							else if (net.quality < 50)
								icon = "<%=resource%>/icons/signal-25-50.png";
							else if (net.quality < 75)
								icon = "<%=resource%>/icons/signal-50-75.png";
							else
								icon = "<%=resource%>/icons/signal-75-100.png";

							s += String.format(
								'<table><tr><td style="text-align:center; width:32px; padding:3px">' +
									'<img src="%s" title="<%:Signal%>: %d dBm / <%:Noise%>: %d dBm" />' +
									'<br /><small>%d%%</small>' +
								'</td><td style="text-align:left; padding:3px"><small>' +
									'<strong><%:SSID%>:</strong> <a href="%s">%h</a><br />' +
									'<strong><%:Mode%>:</strong> %s<br />' +
									'<strong><%:Channel%>:</strong> %d (%.2f GHz)<br />' +
									'<strong><%:Bitrate%>:</strong> %s Mb/s<br />',
									icon, net.signal, net.noise,
									net.quality,
									net.link, net.ssid,
									net.mode,
									net.channel, net.frequency,
									net.bitrate || '?'
							);

							if (is_assoc)
							{
								s += String.format(
									'<strong><%:BSSID%>:</strong> %s<br />' +
									'<strong><%:Encryption%>:</strong> %s',
										net.bssid,
										net.encryption
								);
							}
							else
							{
								s += '<em><%:Wireless is disabled or not associated%></em>';
							}

							s += '</small></td></tr></table>';

							for (var bssid in net.assoclist)
							{
								assoclist.push({
									bssid:  bssid,
									signal: net.assoclist[bssid].signal,
									noise:  net.assoclist[bssid].noise,
									link:   net.link,
									name:   net.name
								});
							}
						}

						if (!s)
							s = '<em><%:No information available%></em>';

						td.innerHTML = s;
					}
				}

				var ac = document.getElementById('wifi_assoc_table');
				if (ac)
				{
					/* clear all rows */
					while( ac.rows.length > 1 )
						ac.rows[0].parentNode.deleteRow(1);

					assoclist.sort(function(a, b) {
						return (a.name == b.name)
							? (a.bssid < b.bssid)
							: (a.name  > b.name )
						;
					});

					for( var i = 0; i < assoclist.length; i++ )
					{
						var tr = ac.rows[0].parentNode.insertRow(-1);
							tr.className = 'cbi-section-table-row cbi-rowstyle-' + (1 + (i % 2));

						var icon;
						var q = (-1 * (assoclist[i].noise - assoclist[i].signal)) / 5;
						if (q < 1)
							icon = "<%=resource%>/icons/signal-0.png";
						else if (q < 2)
							icon = "<%=resource%>/icons/signal-0-25.png";
						else if (q < 3)
							icon = "<%=resource%>/icons/signal-25-50.png";
						else if (q < 4)
							icon = "<%=resource%>/icons/signal-50-75.png";
						else
							icon = "<%=resource%>/icons/signal-75-100.png";

						tr.insertCell(-1).innerHTML = String.format(
							'<img src="%s" title="<%:Signal%>: %d dBm / <%:Noise%>: %d dBm" />',
							icon, assoclist[i].signal, assoclist[i].noise
						);

						tr.insertCell(-1).innerHTML = assoclist[i].bssid;

						tr.insertCell(-1).innerHTML = String.format(
							'<a href="%s">%h</a>',
								assoclist[i].link,
								assoclist[i].name
						);

						tr.insertCell(-1).innerHTML = String.format('%d dBm', assoclist[i].signal);
						tr.insertCell(-1).innerHTML = String.format('%d dBm', assoclist[i].noise);
					}

					if (ac.rows.length == 1)
					{
						var tr = ac.rows[0].parentNode.insertRow(-1);
						    tr.className = 'cbi-section-table-row';

						var td = tr.insertCell(-1);
						    td.colSpan = 5;
						    td.innerHTML = '<br /><em><%:No information available%></em>';
					}
				}
				<% end %>

				var e;

				if (e = document.getElementById('localtime'))
					e.innerHTML = info.localtime;

				if (e = document.getElementById('uptime'))
					e.innerHTML = String.format('%t', info.uptime);

				if (e = document.getElementById('loadavg'))
					e.innerHTML = String.format('%.02f, %.02f, %.02f',
						info.loadavg[0], info.loadavg[1], info.loadavg[2]);

				if (e = document.getElementById('memtotal'))
					e.innerHTML = progressbar(
						(info.memfree + info.membuffers + info.memcached) + " kB",
						info.memtotal + " kB"
					);

				if (e = document.getElementById('memfree'))
					e.innerHTML = progressbar(
						info.memfree + " kB", info.memtotal + " kB"
					);

				if (e = document.getElementById('memcache'))
					e.innerHTML = progressbar(
						info.memcached + " kB", info.memtotal + " kB"
					);

				if (e = document.getElementById('membuff'))
					e.innerHTML = progressbar(
						info.membuffers + " kB", info.memtotal + " kB"
					);

				if (e = document.getElementById('conns'))
					e.innerHTML = progressbar(info.conncount, info.connmax);

				window.setTimeout(update_status, 5000);
			}
		)
	};

	update_status();
//]]></script>

<h2><a id="content" name="content"><%:Status%></a></h2>

<fieldset class="cbi-section">
	<legend><%:System%></legend>

	<table width="100%" cellspacing="10">
		<tr><td width="33%"><%:Router Name%></td><td><%=luci.sys.hostname() or "?"%></td></tr>
		<tr><td width="33%"><%:Router Model%></td><td><%=pcdata(model or "?")%></td></tr>
		<tr><td width="33%"><%:Firmware Version%></td><td>
			<%=pcdata(luci.version.distname)%> <%=pcdata(luci.version.distversion)%> /
			<%=pcdata(luci.version.luciname)%> (<%=pcdata(luci.version.luciversion)%>)
		</td></tr>
		<tr><td width="33%"><%:Kernel Version%></td><td><%=luci.sys.exec("uname -r")%></td></tr>
		<tr><td width="33%"><%:Local Time%></td><td id="localtime">-</td></tr>
		<tr><td width="33%"><%:Uptime%></td><td id="uptime">-</td></tr>
		<tr><td width="33%"><%:Load Average%></td><td id="loadavg">-</td></tr>
	</table>
</fieldset>

<fieldset class="cbi-section">
	<legend><%:Memory%></legend>

	<table width="100%" cellspacing="10">
		<tr><td width="33%"><%:Total Available%></td><td id="memtotal">-</td></tr>
		<tr><td width="33%"><%:Free%></td><td id="memfree">-</td></tr>
		<tr><td width="33%"><%:Cached%></td><td id="memcache">-</td></tr>
		<tr><td width="33%"><%:Buffered%></td><td id="membuff">-</td></tr>
	</table>
</fieldset>

<fieldset class="cbi-section">
	<legend><%:Network%></legend>

	<table width="100%" cellspacing="10">
		<tr><td width="33%" style="vertical-align:top"><%:IPv4 WAN Status%></td><td>
			<table><tr>
				<td id="wan4_i" style="width:16px; text-align:center; padding:3px"><img src="<%=resource%>/icons/ethernet_disabled.png" /><br /><small>?</small></td>
				<td id="wan4_s" style="vertical-align:middle; padding: 3px"><em><%:Collecting data...%></em></td>
			</tr></table>
		</td></tr>
		<% if has_ipv6 then %>
		<tr><td width="33%" style="vertical-align:top"><%:IPv6 WAN Status%></td><td>
			<table><tr>
				<td id="wan6_i" style="width:16px; text-align:center; padding:3px"><img src="<%=resource%>/icons/ethernet_disabled.png" /><br /><small>?</small></td>
				<td id="wan6_s" style="vertical-align:middle; padding: 3px"><em><%:Collecting data...%></em></td>
			</tr></table>
		</td></tr>
		<% end %>
		<tr><td width="33%"><%:Active Connections%></td><td id="conns">-</td></tr>
	</table>
</fieldset>

<% if has_dhcp then %>
<fieldset class="cbi-section">
	<legend><%:DHCP Leases%></legend>

	<table class="cbi-section-table" id="lease_status_table">
		<tr class="cbi-section-table-titles">
			<th class="cbi-section-table-cell"><%:Hostname%></th>
			<th class="cbi-section-table-cell"><%:IPv4-Address%></th>
			<th class="cbi-section-table-cell"><%:MAC-Address%></th>
			<th class="cbi-section-table-cell"><%:Leasetime remaining%></th>
		</tr>
		<tr class="cbi-section-table-row">
			<td colspan="4"><em><br /><%:Collecting data...%></em></td>
		</tr>
	</table>
</fieldset>
<% end %>

<% if has_wifi then %>
<fieldset class="cbi-section">
	<legend><%:Wireless%></legend>

	<table id="wifi_status_table" width="100%" cellspacing="10">
		<tr><td><em><%:Collecting data...%></em></td></tr>
	</table>
</fieldset>

<fieldset class="cbi-section">
	<legend><%:Associated Stations%></legend>

	<table class="cbi-section-table" id="wifi_assoc_table">
		<tr class="cbi-section-table-titles">
			<th class="cbi-section-table-cell">&#160;</th>
			<th class="cbi-section-table-cell"><%:BSSID%></th>
			<th class="cbi-section-table-cell"><%:Network%></th>
			<th class="cbi-section-table-cell"><%:Signal%></th>
			<th class="cbi-section-table-cell"><%:Noise%></th>
		</tr>
		<tr class="cbi-section-table-row">
			<td colspan="5"><em><br /><%:Collecting data...%></em></td>
		</tr>
	</table>
</fieldset>
<% end %>

<%-
	require "luci.util"
	require "nixio.fs"

	local plugins = nixio.fs.dir(luci.util.libpath() .. "/view/admin_status/index")
	if plugins then
		local inc
		for inc in plugins do
			if inc:match("%.htm$") then
				include("admin_status/index/" .. inc:gsub("%.htm$", ""))
			end
		end
	end
-%>

<%+footer%>