Merge branch 'master' of github.com:tech-server/tgmanage

1 files changed, 1363 insertions, 0 deletions

diff --git a/web/nms.gathering.org/nms2/js/nms.js b/web/nms.gathering.org/nms2/js/nms.js
new file mode 100644
index 0000000..97c0dc1
--- /dev/null
+++ b/web/nms.gathering.org/nms2/js/nms.js
@@ -0,0 +1,1363 @@
+var nms = {
+	updater:undefined, // Active updater
+	switches_now:undefined, // Most recent data
+	switches_then:undefined, // 2 minutes old
+	speed:0, // Current aggregated speed
+	full_speed:false, // Set to 'true' to include ALL interfaces
+	ping_data:undefined, // JSON data for ping history.
+	drawn:false, // Set to 'true' when switches are drawn
+	switch_showing:"", // Which switch we are displaying (if any).
+	nightMode:false, 
+	/*
+	 * Switch-specific variables. These are currently separate from
+	 * "switches_now" because switches_now is reset every time we get
+	 * new data.
+	 */
+	nightBlur:{}, // Have we blurred this switch or not?
+	switch_color:{},  // Color for switch
+	linknet_color:{}, // color for linknet
+	textDrawn:{}, // Have we drawn text for this switch?
+	now:false, // Date we are looking at (false for current date).
+	fontSize:14, // This is scaled too, but 14 seems to make sense.
+	fontFace:"Arial Black",
+	outstandingAjaxRequests:0,
+	ajaxOverflow:0,
+	/*
+	 * Set to 'true' after we've done some basic updating. Used to
+	 * bootstrap the map quickly as soon as we have enough data, then
+	 * ignored.
+	 */
+	did_update:false,
+	/*
+	 * Various setInterval() handlers.
+	 */
+	handlers: {
+		replay:false,
+		ports:false,
+		info:false,
+		ping:false,
+		map:false,
+		speed:false
+	}
+};
+
+
+/*
+ * Returns a handler object.
+ *
+ * This might seem a bit much for 'setInterval()' etc, but it's really more
+ * about self-documentation and predictable ways of configuring timers.
+ */
+function nmsTimer(handler, interval, name, description) {
+	this.handler = handler;
+	this.handle = false;
+	this.interval = parseInt(interval);
+	this.name = name;
+	this.description = description;
+	this.start = function() { 
+		if (this.handle) {
+			this.stop();
+		}
+		this.handle = setInterval(this.handler,this.interval);
+		};
+	this.stop = function() { 
+		if (this.handle)
+			clearInterval(this.handle);
+			this.handle = false;
+		};
+
+	this.setInterval = function(interval) {
+		var started = this.handle == false ? false : true;
+		this.stop();
+		this.interval = parseInt(interval);
+		if (started)
+			this.start();
+	};
+}
+
+/*
+ * Drawing primitives.
+ *
+ * This contains both canvas and context for drawing layers. It's on a
+ * top-level namespace to reduce SLIGHTLY the ridiculously long names
+ * (e.g.: dr.bg.ctx.drawImage() is long enough....).
+ *
+ * Only initialized once (for now).
+ */
+var dr = {};
+
+/*
+ * Original scale. This is just used to define the coordinate system.
+ * 1920x1032 was chosen for tg15 by coincidence: We scaled the underlying
+ * map down to "full hd" and these are the bounds we got. There's no
+ * particular reason this couldn't change, except it means re-aligning all
+ * switches.
+ */
+var orig = {
+	width:1920,
+	height:1032
+	};
+
+/*
+ * Canvas dimensions, and scale factor.
+ *
+ * We could derive scale factor from canvas.width / orig.width, but it's
+ * used so frequently that this makes much more sense.
+ *
+ * Width and height are rarely used.
+ */
+var canvas = { 
+	width:0,
+	height:0,
+	scale:1
+};
+
+/*
+ * Various margins at the sides.
+ *
+ * Not really used much, except for "text", which is really more of a
+ * padding than margin...
+ */
+var margin = {
+	x:10,
+	y:20,
+	text:3
+};
+
+var tgStart = stringToEpoch('2015-04-01T09:00:00');
+var tgEnd = stringToEpoch('2015-04-05T12:00:00');
+var replayTime = 0;
+var replayIncrement = 30 * 60;
+
+/*
+ * Handlers. "updater" is run periodically when the handler is active, and
+ * "init" is run once when it's activated.
+ */
+
+var handler_uplinks = {
+	updater:uplinkUpdater,
+	init:uplinkInit,
+	name:"Uplink map"
+};
+
+var handler_temp = {
+	updater:tempUpdater,
+	init:tempInit,
+	name:"Temperature map"
+};
+
+var handler_ping = {
+	updater:pingUpdater,
+	init:pingInit,
+	name:"IPv4 Ping map"
+};
+
+var handler_traffic = {
+	updater:trafficUpdater,
+	init:trafficInit,
+	name:"Uplink traffic map"
+};
+
+var handler_disco = {
+	updater:randomizeColors,
+	init:discoInit,
+	name:"Disco fever"
+};
+
+/*
+ * Convenience-function to populate the 'dr' structure.
+ *
+ * Only run once.
+ */
+function initDrawing() {
+	dr['bg'] = {};
+	dr['bg']['c'] = document.getElementById("bgCanvas");
+	dr['bg']['ctx'] = dr['bg']['c'].getContext('2d');
+	dr['link'] = {};
+	dr['link']['c'] = document.getElementById("linkCanvas");
+	dr['link']['ctx'] = dr['link']['c'].getContext('2d');
+	dr['blur'] = {};
+	dr['blur']['c'] = document.getElementById("blurCanvas");
+	dr['blur']['ctx'] = dr['blur']['c'].getContext('2d');
+	dr['switch'] = {};
+	dr['switch']['c'] = document.getElementById("switchCanvas");
+	dr['switch']['ctx'] = dr['switch']['c'].getContext('2d');
+	dr['text'] = {};
+	dr['text']['c'] = document.getElementById("textCanvas");
+	dr['text']['ctx'] = dr['text']['c'].getContext('2d');
+	dr['top'] = {};
+	dr['top']['c'] = document.getElementById("topCanvas");
+	dr['top']['ctx'] = dr['top']['c'].getContext('2d');
+}
+
+function byteCount(bytes) {
+	var units = ['', 'K', 'M', 'G', 'T', 'P'];
+	i = 0;
+	while (bytes > 1024) {
+		bytes = bytes / 1024;
+		i++;
+	}
+	return bytes.toFixed(1) + units[i];
+}
+
+function toggleNightMode()
+{
+	setNightMode(!nms.nightMode);
+}
+
+function checkNow(now)
+{
+	if (Date.parse(now)) {
+		var d = new Date(Date.parse(now));
+		var str = d.getFullYear() + "-" + (parseInt(d.getMonth())+1) + "-" + d.getDate() + " ";
+		str += d.getHours() + ":" + d.getMinutes() + ":" + d.getSeconds();
+		return str;
+
+	}
+	if (now == "")
+		return "";
+	return false;
+}
+
+
+function stringToEpoch(t)
+{
+	var ret = new Date(Date.parse(t));
+	return parseInt(parseInt(ret.valueOf()) / 1000);
+}
+
+function epochToString(t)
+{
+	var d = new Date(parseInt(t) * parseInt(1000));
+	var str = d.getFullYear() + "-" + (parseInt(d.getMonth())+1) + "-" + d.getDate() + "T";
+	str += d.getHours() + ":" + d.getMinutes() + ":" + d.getSeconds();
+	return str;
+}
+	
+
+function timeReplay()
+{
+	if (replayTime >= tgEnd) {
+		nms.handlers.replay.stop();
+		return;
+	}
+	replayTime = parseInt(replayTime) + parseInt(replayIncrement);
+	nms.now = epochToString(replayTime);
+	drawNow();
+}
+
+function startReplay() {
+	nms.handlers.replay.stop();
+	resetColors();
+	replayTime = tgStart;
+	timeReplay();
+	nms.handlers.replay.start();;
+}
+
+function changeNow() {
+	 var newnow = checkNow(document.getElementById("nowPicker").value);
+	if (!newnow) {
+		alert('Bad date-field in time travel field');
+		return;
+	}
+	if (newnow == "")
+		newnow = false;
+	
+	nms.now = newnow;
+	updatePorts();
+	var boxHide = document.getElementById("nowPickerBox");
+	if (boxHide) {
+		boxHide.style.display = "none";
+	}
+}
+
+/*
+ * Hide switch info-box
+ */
+function hideSwitch()
+{
+		var swtop = document.getElementById("info-switch-parent");
+		var swpanel = document.getElementById("info-switch-panel-body");
+		var switchele = document.getElementById("info-switch-table");
+		if (switchele != undefined)
+			swpanel.removeChild(switchele);
+		swtop.style.display = 'none';
+		nms.switch_showing = "";
+}
+/*
+ * Display info on switch "x" in the info-box
+ */
+function switchInfo(x)
+{
+		var switchele = document.getElementById("info-switch-table");
+		var sw = nms.switches_now["switches"][x];
+		var swtop = document.getElementById("info-switch-parent");
+		var swpanel = document.getElementById("info-switch-panel-body");
+		var swtitle = document.getElementById("info-switch-title");
+		var tr;
+		var td1;
+		var td2;
+	
+		if (nms.switch_showing == x) {
+			hideSwitch();	
+			return;
+		} else {
+			hideSwitch();	
+			nms.switch_showing = x;
+		}
+		document.getElementById("aboutBox").style.display = "none";
+		switchele = document.createElement("table");
+		switchele.id = "info-switch-table";
+		switchele.style.zIndex =  100;
+		switchele.className = "table";
+		
+		swtitle.innerHTML = x + '<button type="button" class="close" aria-labe="Close" onclick="hideSwitch();" style="float: right;"><span aria-hidden="true">&times;</span></button>';
+		var speed = 0;
+		var speed2 = 0;
+		for (port in nms.switches_now["switches"][x]["ports"]) {
+			if (nms.switches_now["switches"][x]["ports"] == undefined ||
+			    nms.switches_then["switches"][x]["ports"] == undefined) {
+				continue;
+			}
+			if (/ge-0\/0\/44$/.exec(port) ||
+			    /ge-0\/0\/45$/.exec(port) ||
+			    /ge-0\/0\/46$/.exec(port) ||
+			    /ge-0\/0\/47$/.exec(port))
+			 {
+				 var t = nms.switches_then["switches"][x]["ports"][port];
+				 var n = nms.switches_now["switches"][x]["ports"][port];
+				 speed += (parseInt(t["ifhcoutoctets"]) - parseInt(n["ifhcoutoctets"])) / (parseInt(t["time"] - n["time"]));
+				 speed2 += (parseInt(t["ifhcinoctets"]) - parseInt(n["ifhcinoctets"])) / (parseInt(t["time"] - n["time"]));
+			 }
+		}
+
+		tr = document.createElement("tr"); td1 = document.createElement("td"); td2 = document.createElement("td");
+		td1.innerHTML = "Uplink speed (out , port 44,45,46,47)";
+		td2.innerHTML = byteCount(8 * speed) + "b/s";
+		tr.appendChild(td1); tr.appendChild(td2); switchele.appendChild(tr);
+
+		tr = document.createElement("tr"); td1 = document.createElement("td"); td2 = document.createElement("td");
+		td1['data-toggle'] = "popover";
+		td1.title = "Port 44, 45, 46 and 47 are used as uplinks.";
+		td1.innerHTML = "Uplink speed (in , port 44,45,46,47)";
+		td2.innerHTML = byteCount(8 * speed2) + "b/s";
+		tr.appendChild(td1); tr.appendChild(td2); switchele.appendChild(tr);
+
+		speed = 0;
+		for (port in nms.switches_now["switches"][x]["ports"]) {
+			if (nms.switches_now["switches"][x]["ports"] == undefined ||
+			    nms.switches_then["switches"][x]["ports"] == undefined) {
+				continue;
+			}
+			 var t = nms.switches_then["switches"][x]["ports"][port];
+			 var n = nms.switches_now["switches"][x]["ports"][port];
+			 speed += (parseInt(t["ifhcinoctets"]) -parseInt(n["ifhcinoctets"])) / (parseInt(t["time"] - n["time"]));
+		}
+
+		tr = document.createElement("tr"); td1 = document.createElement("td"); td2 = document.createElement("td");
+		td1.innerHTML = "Total speed (in)";
+		td2.innerHTML = byteCount(8 * speed) + "b/s";
+		tr.appendChild(td1); tr.appendChild(td2); switchele.appendChild(tr);
+
+		speed = 0;
+		for (port in nms.switches_now["switches"][x]["ports"]) {
+			if (nms.switches_now["switches"][x]["ports"] == undefined ||
+			    nms.switches_then["switches"][x]["ports"] == undefined) {
+				continue;
+			}
+			 var t = nms.switches_then["switches"][x]["ports"][port];
+			 var n = nms.switches_now["switches"][x]["ports"][port];
+			 speed += (parseInt(t["ifhcoutoctets"]) -parseInt(n["ifhcoutoctets"])) / (parseInt(t["time"] - n["time"]));
+		}
+
+		tr = document.createElement("tr"); td1 = document.createElement("td"); td2 = document.createElement("td");
+		td1.innerHTML = "Total speed (out)";
+		td2.innerHTML = byteCount(8 * speed) + "b/s";
+		tr.appendChild(td1); tr.appendChild(td2); switchele.appendChild(tr);
+
+		tr = document.createElement("tr"); td1 = document.createElement("td"); td2 = document.createElement("td");
+		td1.innerHTML = "Management IP";
+		td2.innerHTML = sw["management"]["ip"];
+		tr.appendChild(td1); tr.appendChild(td2); switchele.appendChild(tr);
+
+		tr = document.createElement("tr"); td1 = document.createElement("td"); td2 = document.createElement("td");
+		td1.innerHTML = "Latency";
+		if (nms.ping_data && nms.ping_data["switches"] && nms.ping_data["switches"][x]) {
+			td2.innerHTML = nms.ping_data["switches"][x]["latency"];
+		} else {
+			td2.innerHTML = "N/A";
+		}
+		tr.appendChild(td1); tr.appendChild(td2); switchele.appendChild(tr);
+
+		tr = document.createElement("tr"); td1 = document.createElement("td"); td2 = document.createElement("td");
+		td1.innerHTML = "Temperature";
+		td2.innerHTML = sw["temp"];
+		tr.appendChild(td1); tr.appendChild(td2); switchele.appendChild(tr);
+
+		tr = document.createElement("tr"); td1 = document.createElement("td"); td2 = document.createElement("td");
+		td1.innerHTML = "Temperature age";
+		td2.innerHTML = sw["temp_time"];
+		tr.appendChild(td1); tr.appendChild(td2); switchele.appendChild(tr);
+
+		tr = document.createElement("tr"); td1 = document.createElement("td"); td2 = document.createElement("td");
+		td1.innerHTML = "Type";
+		td2.innerHTML = sw["switchtype"];
+		tr.appendChild(td1); tr.appendChild(td2); switchele.appendChild(tr);
+
+		tr = document.createElement("tr"); td1 = document.createElement("td"); td2 = document.createElement("td");
+		td1.innerHTML = "Last Updated";
+		td2.innerHTML = sw["management"]["last_updated"];
+		tr.appendChild(td1); tr.appendChild(td2); switchele.appendChild(tr);
+
+		tr = document.createElement("tr"); td1 = document.createElement("td"); td2 = document.createElement("td");
+		td1.innerHTML = "Poll frequency";
+		td2.innerHTML = sw["management"]["poll_frequency"];
+		tr.appendChild(td1); tr.appendChild(td2); switchele.appendChild(tr);
+
+
+		swpanel.appendChild(switchele);
+		swtop.style.display = 'block';
+}
+
+/*
+ * Update various info elements periodically.
+ */
+function updateInfo()
+{
+	if (!nms.drawn && nms.switches_now != undefined) {
+		drawSwitches();
+		nms.drawn = true;
+	}
+	var speedele = document.getElementById("speed");
+	speedele.innerHTML = (8 * parseInt(nms.speed) / 1024 / 1024 / 1024 ).toPrecision(5) + " Gbit/s";
+}
+
+/*
+ * Update function for uplink map
+ * Run periodically when uplink map is active.
+ */
+function uplinkUpdater()
+{
+	if (!nms.switches_now["switches"])
+		return;
+	for (sw in nms.switches_now["switches"]) {
+		var uplinks=0;
+		for (port in nms.switches_now["switches"][sw]["ports"]) {
+			if (!nms.switches_then["switches"][sw]["ports"] || 
+			    !nms.switches_now["switches"][sw]["ports"])
+				continue;
+			if (/ge-0\/0\/44$/.exec(port) ||
+			    /ge-0\/0\/45$/.exec(port) ||
+			    /ge-0\/0\/46$/.exec(port) ||
+			    /ge-0\/0\/47$/.exec(port))
+			 {
+				 if (parseInt(nms.switches_then["switches"][sw]["ports"][port]["ifhcoutoctets"]) != parseInt(nms.switches_now["switches"][sw]["ports"][port]["ifhcoutoctets"])) {
+					 uplinks += 1;
+				 }
+			 }
+		}
+		if (uplinks == 0) {
+			setSwitchColor(sw,"blue");
+		} else if (uplinks == 1) {
+			setSwitchColor(sw,"red");
+		} else if (uplinks == 2) {
+			setSwitchColor(sw, "yellow");
+		} else if (uplinks == 3) { 
+			setSwitchColor(sw, "green");
+		} else if (uplinks > 3) {
+			setSwitchColor(sw, "white");
+		}
+	}
+}
+
+/*
+ * Init-function for uplink map
+ */
+function trafficInit()
+{
+	setLegend(1,"blue","0 uplink utilization");	
+	setLegend(5,"red", "1000Mb/s or more uplink utilization");	
+	setLegend(4,"yellow","100Mb/s to 800Mb/s uplink utilization");	
+	setLegend(3,"green", "5Mb/s to 100Mb/s uplink utilization");	
+	setLegend(2,"white","0 to 5Mb/s uplink utilization");	
+}
+
+function trafficUpdater()
+{
+	if (!nms.switches_now["switches"])
+		return;
+	for (sw in nms.switches_now["switches"]) {
+		var speed = 0;
+		for (port in nms.switches_now["switches"][sw]["ports"]) {
+			if (/ge-0\/0\/44$/.exec(port) ||
+			    /ge-0\/0\/45$/.exec(port) ||
+			    /ge-0\/0\/46$/.exec(port) ||
+			    /ge-0\/0\/47$/.exec(port))
+			 {
+				 var t = nms.switches_then["switches"][sw]["ports"][port];
+				 var n = nms.switches_now["switches"][sw]["ports"][port];
+				 speed += (parseInt(t["ifhcoutoctets"]) -parseInt(n["ifhcoutoctets"])) / (parseInt(t["time"] - n["time"]));
+				 speed += (parseInt(t["ifhcinoctets"]) -parseInt(n["ifhcinoctets"])) / (parseInt(t["time"] - n["time"]));
+			 }
+		}
+		var m = 1024 * 1024 / 8;
+		if (speed == 0) {
+			setSwitchColor(sw,"blue");
+		} else if (speed > (1000 * m)) {
+			setSwitchColor(sw,"red");
+		} else if (speed > (800 * m)) {
+			setSwitchColor(sw, "yellow");
+		} else if (speed > (5 * m)) { 
+			setSwitchColor(sw, "green");
+		} else {
+			setSwitchColor(sw, "white");
+		}
+	}
+}
+
+/*
+ * Init-function for uplink map
+ */
+function uplinkInit()
+{
+	setLegend(1,"blue","0 uplinks");	
+	setLegend(2,"red","1 uplink");	
+	setLegend(3,"yellow","2 uplinks");	
+	setLegend(4,"green","3 uplinks");	
+	setLegend(5,"white","4 uplinks");	
+}
+
+/*
+ * Give us a color from blue (0) to red (100).
+ */
+function rgb_from_max(x)
+{
+	x = x/100;
+	var colorred = 255 * x;
+	var colorblue = 255 - colorred;
+
+	return 'rgb(' + Math.floor(colorred) + ", 0, " + Math.floor(colorblue) + ')';
+}
+
+/*
+ * Tweaked this to scale from roughly 20C to 35C. Hence the -20  and /15
+ * thing (e.g., "0" is 20 and "15" is 35 by the time we pass it to
+ * rgb_from_max());
+ */
+function temp_color(t)
+{
+	if (t == undefined) {
+		console.log("Temp_color, but temp is undefined");
+		return "blue";
+	}
+	t = parseInt(t) - 20;
+	t = Math.floor((t / 15) * 100);
+	return rgb_from_max(t);
+}
+
+/*
+ * There are 4 legend-bars. This is a helper-function to set the color and
+ * description/name for each one. Used from handler init-functions.
+ *
+ * FIXME: Should be smarter, possibly use a canvas-writer so we can get
+ * proper text (e.g.: not black text on dark blue). 
+ */
+function setLegend(x,color,name)
+{
+	var el = document.getElementById("legend-" + x);
+	el.style.background = color;
+	el.innerHTML = name;
+}
+
+function tempUpdater()
+{
+	for (sw in nms.switches_now["switches"]) {
+		var t = "white";
+		if (nms.switches_now["switches"][sw]["temp"]) {
+			t = temp_color(nms.switches_now["switches"][sw]["temp"]);
+		}
+		
+		setSwitchColor(sw, t);
+	}
+}
+
+function tempInit()
+{
+	setLegend(1,temp_color(20),"20 °C");	
+	setLegend(2,temp_color(22),"22 °C");	
+	setLegend(3,temp_color(27),"27 °C");	
+	setLegend(4,temp_color(31),"31 °C");	
+	setLegend(5,temp_color(35),"35 °C");	
+}
+
+function gradient_from_latency(latency_ms, latency_secondary_ms)
+{
+	if (latency_secondary_ms === undefined) {
+		return rgb_from_latency(latency_ms);
+	}
+	return 'linear-gradient(' +
+		rgb_from_latency(latency_ms) + ', ' +
+		rgb_from_latency(latency_secondary_ms) + ')';
+}
+
+function rgb_from_latency(latency_ms)
+{
+	if (latency_ms === null || latency_ms === undefined) {
+		return '#0000ff';
+	}
+
+	var l = latency_ms / 40.0;
+	if (l >= 2.0) {
+		return 'rgb(255, 0, 0)';
+	} else if (l >= 1.0) {
+		l = 2.0 - l;
+		l = Math.pow(l, 1.0/2.2);
+		l = Math.floor(l * 255.0);
+		return 'rgb(255, ' + l + ', 0)';
+	} else {
+		l = Math.pow(l, 1.0/2.2);
+		l = Math.floor(l * 255.0);
+		return 'rgb(' + l + ', 255, 0)';
+	}
+}
+
+function pingUpdater()
+{
+	for (var sw in nms.switches_now["switches"]) {
+		var c = "blue";
+		if (nms.ping_data['switches'] && nms.ping_data['switches'][sw])
+			c = gradient_from_latency(nms.ping_data["switches"][sw]["latency"]);
+		setSwitchColor(sw, c);
+	}
+	for (var ln in nms.switches_now["linknets"]) {
+		var c1 = "blue";
+		var c2 = c1;
+		if (nms.ping_data['linknets'] && nms.ping_data['linknets'][ln]) {
+			c1 = gradient_from_latency(nms.ping_data["linknets"][ln][0]);
+			c2 = gradient_from_latency(nms.ping_data["linknets"][ln][1]);
+		}
+		setLinknetColors(ln, c1, c2);
+	}
+}
+
+function pingInit()
+{
+	setLegend(1,gradient_from_latency(1),"1ms");	
+	setLegend(2,gradient_from_latency(30),"30ms");	
+	setLegend(3,gradient_from_latency(60),"60ms");	
+	setLegend(4,gradient_from_latency(80),"80ms");	
+	setLegend(5,"#0000ff" ,"No response");	
+}
+
+/*
+ * Run periodically to trigger map updates when a handler is active
+ */
+function updateMap()
+{
+	if (nms.updater != undefined && nms.switches_now && nms.switches_then) {
+		nms.updater();
+	}
+}
+
+/*
+ * Change map handler (e.g., change from uplink map to ping map)
+ */
+function setUpdater(fo)
+{
+	nms.updater = undefined;
+	resetColors();
+	fo.init();
+	nms.updater = fo.updater;
+	var foo = document.getElementById("updater_name");
+	foo.innerHTML = fo.name + "   ";
+	initialUpdate();
+	if (nms.ping_data && nms.switches_then && nms.switches_now) {
+		nms.updater();
+	}
+}
+
+
+/*
+ * Convenience function to avoid waiting for pollers when data is available
+ * for the first time.
+ */
+function initialUpdate()
+{
+	if (nms.ping_data && nms.switches_then && nms.switches_now && nms.updater != undefined && nms.did_update == false ) {
+		resizeEvent();
+		if (!nms.drawn) {
+			drawSwitches();
+			drawLinknets();
+		}
+		nms.updater();
+		nms.did_update = true;
+	}
+}
+
+/*
+ * Update nms.ping_data 
+ */
+function updatePing()
+{
+	var now = nms.now ? ("?now=" + nms.now) : "";
+	if (nms.outstandingAjaxRequests > 5) {
+		nms.ajaxOverflow++;
+		return;
+	}
+	nms.outstandingAjaxRequests++;
+	$.ajax({
+		type: "GET",
+		url: "/ping-json2.pl" + now,
+		dataType: "text",
+		success: function (data, textStatus, jqXHR) {
+			nms.ping_data = JSON.parse(data);
+			initialUpdate();
+		},
+		complete: function(jqXHR, textStatus) {
+			nms.outstandingAjaxRequests--;
+		}
+	});
+}
+
+/*
+ * Update nms.switches_now and nms.switches_then
+ */
+function updatePorts()
+{
+	var now = "";
+	if (nms.outstandingAjaxRequests > 5) {
+		nms.ajaxOverflow++;
+		return;
+	}
+	nms.outstandingAjaxRequests++;
+	if (nms.now != false)
+		now = "?now=" + nms.now;
+	$.ajax({
+		type: "GET",
+		url: "/port-state.pl"+ now ,
+		dataType: "text",
+		success: function (data, textStatus, jqXHR) {
+			var  switchdata = JSON.parse(data);
+			nms.switches_now = switchdata;
+			parseIntPlacements();
+			initialUpdate();
+		},
+		complete: function(jqXHR, textStatus) {
+			nms.outstandingAjaxRequests--;
+		}
+	});
+	now="";
+	if (nms.now != false)
+		now = "&now=" + nms.now;
+	nms.outstandingAjaxRequests++;
+	$.ajax({
+		type: "GET",
+		url: "/port-state.pl?time=5m" + now,
+		dataType: "text",
+		success: function (data, textStatus, jqXHR) {
+			var  switchdata = JSON.parse(data);
+			nms.switches_then = switchdata;
+			initialUpdate();
+		},
+		complete: function(jqXHR, textStatus) {
+			nms.outstandingAjaxRequests--;
+		}
+	})
+}
+
+/*
+ * Use nms.switches_now and nms.switches_then to update 'nms.speed'.
+ *
+ * nms.speed is a total of ifHCInOctets across all interfaces.
+ *
+ * if nms.full_speed is true: Include ALL interfaces
+ * if nms.full_speed is false: Include only e* switches and exclude
+ * uplinks.
+ */
+function updateSpeed()
+{
+	var speed_in = parseInt(0);
+	var speed_kant = parseInt(0);
+	var counter=0;
+	var sw;
+	for (sw in nms.switches_now["switches"]) {
+		for (port in nms.switches_now["switches"][sw]["ports"]) {
+			if (!nms.switches_now["switches"][sw]["ports"][port]) {
+				console.log("ops");
+				continue;
+			}
+			if (!nms.switches_then || !nms.switches_then["switches"] || !nms.switches_then["switches"][sw] || !nms.switches_then["switches"][sw]["ports"]) {
+				continue;
+			}
+			if (!nms.switches_now || !nms.switches_now["switches"] || !nms.switches_now["switches"][sw] || !nms.switches_now["switches"][sw]["ports"]) {
+				continue;
+			}
+
+			if (!nms.switches_then["switches"][sw]["ports"][port]) {
+				console.log("ops");
+				continue;
+			}
+			var diff = parseInt(parseInt(nms.switches_now["switches"][sw]["ports"][port]["time"]) - parseInt(nms.switches_then["switches"][sw]["ports"][port]["time"]));
+			var then = parseInt(nms.switches_then["switches"][sw]["ports"][port]["ifhcinoctets"])  ;
+			var now =  parseInt(nms.switches_now["switches"][sw]["ports"][port]["ifhcinoctets"]) ;
+			var diffval = (now - then);
+			if (then == 0 || now == 0 || diffval == 0 || diffval == NaN) {
+				continue;
+			}
+			if (nms.full_speed || (( /e\d-\d/.exec(sw) || /e\d\d-\d/.exec(sw)) &&  ( /ge-\d\/\d\/\d$/.exec(port) || /ge-\d\/\d\/\d\d$/.exec(port)))) {
+				if (nms.full_speed || !(
+					/ge-0\/0\/44$/.exec(port) ||
+					/ge-0\/0\/45$/.exec(port) ||
+					/ge-0\/0\/46$/.exec(port) ||
+					/ge-0\/0\/47$/.exec(port))) {
+					speed_in += parseInt(diffval/diff) ;
+					counter++;
+				}
+			}
+			//speed_in += parseInt(diffval/diff) / 1024 ;
+		}
+	}
+	nms.speed = speed_in;
+}
+
+/*
+ * Draw a linknet with index i.
+ *
+ * XXX: Might have to change the index here to match backend
+ */
+function drawLinknet(i)
+{
+	var c1 = nms.linknet_color[i] && nms.linknet_color[i].c1 ? nms.linknet_color[i].c1 : "blue";
+	var c2 = nms.linknet_color[i] && nms.linknet_color[i].c2 ? nms.linknet_color[i].c2 : "blue";
+	if (nms.switches_now.switches[nms.switches_now.linknets[i].sysname1] && nms.switches_now.switches[nms.switches_now.linknets[i].sysname2]) {
+		connectSwitches(nms.switches_now.linknets[i].sysname1,nms.switches_now.linknets[i].sysname2, c1, c2);
+	}
+}
+
+/*
+ * Draw all linknets
+ */
+function drawLinknets()
+{
+	if (nms.switches_now && nms.switches_now.linknets) {
+		for (var i in nms.switches_now.linknets) {
+			drawLinknet(i);
+		}
+	}
+}
+
+/*
+ * Change both colors of a linknet.
+ *
+ * XXX: Probably have to change this to better match the backend data
+ */
+function setLinknetColors(i,c1,c2)
+{
+	if (!nms.linknet_color[i] || 
+ 	     nms.linknet_color[i].c1 != c1 ||
+	     nms.linknet_color[i].c2 != c2) {
+		if (!nms.linknet_color[i])
+			nms.linknet_color[i] = {};
+		nms.linknet_color[i]['c1'] = c1;
+		nms.linknet_color[i]['c2'] = c2;
+		drawLinknet(i);
+	}
+}
+
+/*
+ * (Re)draw a switch 'sw'.
+ *
+ * Color defaults to 'blue' if it's not set in the data structure.
+ */
+function drawSwitch(sw)
+{
+		var box = nms.switches_now['switches'][sw]['placement'];
+		var color = nms.switch_color[sw];
+		if (color == undefined) {
+			color = "blue";
+		}
+		dr.switch.ctx.fillStyle = color;
+		if (nms.nightMode && nms.nightBlur[sw] != true) {
+			dr.switch.ctx.shadowBlur = 10;
+			dr.switch.ctx.shadowColor = "#00EE00";
+			nms.nightBlur[sw] = true;
+		} else {
+			dr.switch.ctx.shadowBlur = 0;
+			dr.switch.ctx.shadowColor = "#000000";
+		}
+		drawBox(box['x'],box['y'],box['width'],box['height']);
+		dr.switch.ctx.shadowBlur = 0;
+		if (!nms.textDrawn[sw]) {
+			if ((box['width'] + 10 )< box['height'])
+				drawSideways(sw,box['x'],box['y'],box['width'],box['height']);
+			else
+				drawRegular(sw,box['x'],box['y'],box['width'],box['height']);
+			
+			nms.textDrawn[sw] = true;
+		}
+}
+
+/*
+ * Make sure all placements of switches are parsed as integers so we don't
+ * have to pollute the code with pasreInt() every time we use it.
+ */
+function parseIntPlacements() {
+	for (var sw in nms.switches_now.switches) {
+		nms.switches_now.switches[sw]['placement']['x'] =
+			parseInt(nms.switches_now.switches[sw]['placement']['x']);
+		nms.switches_now.switches[sw]['placement']['y'] =
+			parseInt(nms.switches_now.switches[sw]['placement']['y']);
+		nms.switches_now.switches[sw]['placement']['width'] =
+			parseInt(nms.switches_now.switches[sw]['placement']['width']);
+		nms.switches_now.switches[sw]['placement']['height'] =
+			parseInt(nms.switches_now.switches[sw]['placement']['height']);
+	}
+}
+
+/*
+ * Draw all switches
+ */
+function drawSwitches()
+{
+	if (!nms.switches_now || !nms.switches_now.switches)
+		return;
+	for (var sw in nms.switches_now.switches) {
+		drawSwitch(sw);
+	}
+	nms.drawn = true;
+}
+
+/*
+ * Draw current time-window
+ */
+function drawNow()
+{
+	if (nms.now != false) {
+		dr.top.ctx.font = Math.round(2 * nms.fontSize * canvas.scale) + "px " + nms.fontFace;
+		dr.top.ctx.clearRect(0,0,Math.floor(400 * canvas.scale),Math.floor(60 * canvas.scale));
+		dr.top.ctx.fillStyle = "white";
+		dr.top.ctx.strokeStyle = "black";
+		dr.top.ctx.lineWidth = Math.round(2 * canvas.scale);
+		if (canvas.scale < 0.7) {
+			dr.top.ctx.lineWidth = 2;
+		}
+		dr.top.ctx.strokeText("Now: " + nms.now, 0 + margin.text, 30 * canvas.scale);
+		dr.top.ctx.fillText("Now: " + nms.now, 0 + margin.text, 30 * canvas.scale);
+	}
+}
+/*
+ * Draw foreground/scene.
+ *
+ * FIXME: Review this! This was made before linknets and switches were
+ * split apart.
+ *
+ * This is used so linknets are drawn before switches. If a switch is all
+ * that has changed, we just need to re-draw that, but linknets require
+ * scene-redrawing.
+ */
+function drawScene()
+{
+	dr.text.ctx.font = Math.floor(nms.fontSize * canvas.scale) + "px " + nms.fontFace;
+	drawLinknets();
+	drawSwitches();
+}
+
+/*
+ * Set the scale factor and (re)draw the scene and background.
+ * Uses canvas.scale and updates canvas.height and canvas.width.
+ */
+function setScale()
+{
+
+	canvas.height =  orig.height * canvas.scale ;
+	canvas.width = orig.width * canvas.scale ;
+	for (var a in dr) {
+		dr[a].c.height = canvas.height;
+		dr[a].c.width = canvas.width;
+	}
+	nms.nightBlur = {};
+	nms.textDrawn = {};
+	drawBG();
+	drawScene();
+	
+	document.getElementById("scaler").value = canvas.scale;
+	document.getElementById("scaler-text").innerHTML = (parseFloat(canvas.scale)).toPrecision(3);
+}
+
+/*
+ * Returns true if the coordinates (x,y) is inside the box defined by
+ * box.{x,y,w.h} (e.g.: placement of a switch).
+ */
+function isIn(box, x, y)
+{
+	if ((x >= box.x) && (x <= (box.x + box.width)) && (y >= box.y) && (y <= (box.y + box.height))) {
+		return true;
+	}
+	return false;
+
+}
+
+/*
+ * Return the name of the switch found at coordinates (x,y), or 'undefined'
+ * if none is found.
+ */
+function findSwitch(x,y) {
+	x = parseInt(parseInt(x) / canvas.scale);
+	y = parseInt(parseInt(y) / canvas.scale);
+
+	for (var v in nms.switches_now.switches) {
+		if(isIn(nms.switches_now.switches[v]['placement'],x,y)) {
+			return v;
+		}
+	}
+	return undefined;
+}
+
+/*
+ * Set switch color of 'sw' to 'c', then re-draw the switch.
+ */
+function setSwitchColor(sw, c)
+{
+	if(!nms.switch_color || !nms.switch_color[sw] || nms.switch_color[sw] != c) {
+		nms.switch_color[sw] = c;
+		drawSwitch(sw);
+	}
+}
+
+/*
+ * Return a random-ish color (for testing)
+ */
+function getRandomColor()
+{
+	var i = Math.round(Math.random() * 5);
+	var colors = [ "white", "red", "pink", "yellow", "orange", "green" ];
+	return colors[i];	
+}
+
+/*
+ * Event handler for the front-end drag bar to change scale
+ */
+function scaleChange()
+{
+	var scaler = document.getElementById("scaler").value;
+	canvas.scale = scaler;
+	setScale();
+}
+
+/*
+ * Called when a switch is clicked
+ */
+function switchClick(sw)
+{
+	switchInfo(sw);
+}
+
+/*
+ * Testing-function to randomize colors of linknets and switches
+ */
+function randomizeColors()
+{
+	for (var i in nms.switches_now.linknets) {
+		setLinknetColors(i, getRandomColor(), getRandomColor());
+	}
+	for (var sw in nms.switches_now.switches) {
+		setSwitchColor(sw, getRandomColor());
+	}
+}
+
+function discoInit()
+{
+	setNightMode(true);
+	setLegend(1,"blue","0");	
+	setLegend(5,"red", "1");
+	setLegend(4,"yellow","2");
+	setLegend(3,"green", "3");
+	setLegend(2,"white","4");
+}
+
+/*
+ * Resets the colors of linknets and switches.
+ *
+ * Useful when mode changes so we don't re-use colors from previous modes
+ * due to lack of data or bugs.
+ */
+function resetColors()
+{
+	if (!nms.switches_now)
+		return;
+	if (nms.switches_now.linknets) {
+		for (var i in nms.switches_now.linknets) {
+			setLinknetColors(i, "blue","blue");
+		}
+	}
+	for (var sw in nms.switches_now.switches) {
+		setSwitchColor(sw, "blue");
+	}
+}
+
+/*
+ * onclick handler for the canvas.
+ *
+ * Currently just shows info for a switch.
+ */
+function canvasClick(e)
+{
+	var sw = findSwitch(e.pageX - e.target.offsetLeft, e.pageY - e.target.offsetTop);
+	if (sw != undefined) {
+		switchClick(sw);
+	}
+}
+
+/*
+ * Resize event-handler.
+ *
+ * Recomputes the scale and applies it.
+ *
+ * Has to use c.offset* since we are just scaling the canvas, not
+ * everything else.
+ *
+ */
+function resizeEvent()
+{
+	var width = window.innerWidth - dr.bg.c.offsetLeft;
+	var height = window.innerHeight - dr.bg.c.offsetTop;
+	if (width / (orig.width + margin.x) > height  /  (orig.height + margin.y)) {
+		canvas.scale = height / (orig.height + margin.y);
+	} else {
+		canvas.scale = width / (orig.width + margin.x);
+	}
+	setScale();
+}
+
+/*
+ * Draws the background image (scaled).
+ */
+function drawBG()
+{
+	if (nms.nightMode) {
+		invertCanvas();
+	} else {
+		var image = document.getElementById('source');
+		dr.bg.ctx.drawImage(image, 0, 0, canvas.width, canvas.height);
+	}
+}
+
+/*
+ * Set night mode to whatever 'toggle' is.
+ * 
+ * XXX: setScale() is a bit of a hack, but it really is the same stuff we
+ * need to do: Redraw "everything" (not really).
+ */
+function setNightMode(toggle) {
+	nms.nightMode = toggle;
+	var body = document.getElementById("body");
+	body.style.background = toggle ? "black" : "white";
+	setScale();
+}
+/*
+ * Draw a box (e.g.: switch).
+ */
+function drawBox(x,y,boxw,boxh)
+{
+	var myX = Math.floor(x * canvas.scale);
+	var myY = Math.floor(y * canvas.scale);
+	var myX2 = Math.floor((boxw) * canvas.scale);
+	var myY2 = Math.floor((boxh) * canvas.scale);
+	dr.switch.ctx.fillRect(myX,myY, myX2, myY2);
+	dr.switch.ctx.lineWidth = Math.floor(0.5 * canvas.scale);
+	if (canvas.scale < 1.0) {
+		dr.switch.ctx.lineWidth = 0.5;
+	}
+	dr.switch.ctx.strokeStyle = "#000000";
+	dr.switch.ctx.strokeRect(myX,myY, myX2, myY2);
+}
+
+/*
+ * Draw text on a box - sideways!
+ *
+ * XXX: This is pretty nasty and should also probably take a box as input.
+ */
+function drawSideways(text,x,y,w,h)
+{
+	dr.text.ctx.rotate(Math.PI * 3 / 2);
+	dr.text.ctx.fillStyle = "white";
+	dr.text.ctx.strokeStyle = "black";
+	dr.text.ctx.lineWidth = Math.floor(1 * canvas.scale);
+	if (canvas.scale < 0.7) {
+		dr.text.ctx.lineWidth = 0.5;
+	}
+	dr.text.ctx.strokeText(text, - canvas.scale * (y + h - margin.text),canvas.scale * (x + w - margin.text) );
+	dr.text.ctx.fillText(text, - canvas.scale * (y + h - margin.text),canvas.scale * (x + w - margin.text) );
+
+	dr.text.ctx.rotate(Math.PI / 2);
+}
+
+/*
+ * Draw background inverted (wooo)
+ *
+ * XXX: This is broken for chromium on local file system (e.g.: file:///)
+ * Seems like a chromium bug?
+ */
+function invertCanvas() {
+	var imageObj = document.getElementById('source');
+	dr.bg.ctx.drawImage(imageObj, 0, 0, canvas.width, canvas.height);
+
+	var imageData = dr.bg.ctx.getImageData(0, 0, canvas.width, canvas.height);
+	var data = imageData.data;
+
+	for(var i = 0; i < data.length; i += 4) {
+		data[i] = 255 - data[i];
+		data[i + 1] = 255 - data[i + 1];
+		data[i + 2] = 255 - data[i + 2];
+	}
+	dr.bg.ctx.putImageData(imageData, 0, 0);
+}
+
+/*
+ * Draw regular text on a box.
+ *
+ * Should take the same format as drawSideways()
+ *
+ * XXX: Both should be renamed to have 'text' or something in them
+ */
+function drawRegular(text,x,y,w,h) {
+
+	dr.text.ctx.fillStyle = "white";
+	dr.text.ctx.strokeStyle = "black";
+	dr.text.ctx.lineWidth = Math.floor(1 * canvas.scale);
+	if (canvas.scale < 0.7) {
+		dr.text.ctx.lineWidth = 0.5;
+	}
+	dr.text.ctx.strokeText(text, (x + margin.text) * canvas.scale, (y + h - margin.text) * canvas.scale);
+	dr.text.ctx.fillText(text, (x + margin.text) * canvas.scale, (y + h - margin.text) * canvas.scale);
+}
+
+/*
+ * Draw a line between switch "insw1" and "insw2", using a gradiant going
+ * from color1 to color2.
+ *
+ * XXX: beginPath() and closePath() is needed to avoid re-using the
+ * gradient/color 
+ */
+function connectSwitches(insw1, insw2,color1, color2) {
+	var sw1 = nms.switches_now.switches[insw1].placement;
+	var sw2 = nms.switches_now.switches[insw2].placement;
+	if (color1 == undefined)
+		color1 = "blue";
+	if (color2 == undefined)
+		color2 = "blue";
+	var x0 = Math.floor((sw1.x + sw1.width/2) * canvas.scale);
+	var y0 = Math.floor((sw1.y + sw1.height/2) * canvas.scale);
+	var x1 = Math.floor((sw2.x + sw2.width/2) * canvas.scale);
+	var y1 = Math.floor((sw2.y + sw2.height/2) * canvas.scale);
+	var gradient = dr.link.ctx.createLinearGradient(x1,y1,x0,y0);
+	gradient.addColorStop(0, color1);
+	gradient.addColorStop(1, color2);
+	dr.link.ctx.beginPath();
+	dr.link.ctx.strokeStyle = gradient;
+	dr.link.ctx.moveTo(x0,y0);
+	dr.link.ctx.lineTo(x1,y1); 
+	dr.link.ctx.lineWidth = Math.floor(5 * canvas.scale);
+	dr.link.ctx.closePath();
+	dr.link.ctx.stroke();
+	dr.link.ctx.moveTo(0,0);
+}
+
+
+function initNMS() {
+	var url;
+	initDrawing();
+	updatePorts();
+	updatePing();
+	window.addEventListener('resize',resizeEvent,true);
+	document.addEventListener('load',resizeEvent,true);
+	
+	nms.handlers.ports = new nmsTimer(updatePorts, 1000, "Port updater", "AJAX request to update port data (traffic, etc)");
+	nms.handlers.ports.start();
+
+	nms.handlers.info = new nmsTimer(updateInfo, 5000, "Info updater", "Updates info-box about client speed (fast - no backend requests)");
+	nms.handlers.info.start();
+
+	nms.handlers.ping = new nmsTimer(updatePing, 1000, "Ping updater", "AJAX request to update ping data");
+	nms.handlers.ping.start();
+	
+	nms.handlers.map = new nmsTimer(updateMap, 1000, "Map handler", "Updates the map using the chosen map handler (ping, uplink, traffic, etc)");
+	nms.handlers.map.start();
+	
+	nms.handlers.speed = new nmsTimer(updateSpeed, 3000, "Speed updater", "Recompute total speed (no backend requests)");
+	nms.handlers.speed.start();
+	
+	nms.handlers.replay = new nmsTimer(timeReplay, 1000, "Time machine", "Handler used to change time");
+
+	url = document.URL;
+	if (/#ping/.exec(url)) {
+		setUpdater(handler_ping);
+	}else if (/#uplink/.exec(url)) {
+		setUpdater(handler_uplinks);
+	} else if (/#temp/.exec(url)) {
+		setUpdater(handler_temp);
+	} else if (/#traffic/.exec(url)) {
+		setUpdater(handler_traffic);
+	} else if (/#disco/.exec(url)) {
+		setUpdater(handler_disco);
+	} else {
+		setUpdater(handler_ping);
+	}
+	if (/nightMode/.exec(url)) {
+		toggleNightMode();
+	}
+}
+
+function showTimerDebug() {
+	var tableTop = document.getElementById('timerTableTop');
+	var table = document.getElementById('timerTable');
+	var tr, td1, td2;
+	if (table)
+		tableTop.removeChild(table);
+	table = document.createElement("table");
+	table.id = "timerTable";
+	table.style.zIndex = 100;
+	table.className = "table";
+	table.classList.add("table");
+	table.classList.add("table-default");
+	table.border = "1";
+		tr = document.createElement("tr");
+		td = document.createElement("th");
+		td.innerHTML = "Handler";
+		tr.appendChild(td);
+		td = document.createElement("th");
+		td.innerHTML = "Interval (ms)";
+		tr.appendChild(td);
+		td = document.createElement("th");
+		td.innerHTML = "Name";
+		tr.appendChild(td);
+		td = document.createElement("th");
+		td.innerHTML = "Description";
+		tr.appendChild(td);
+		table.appendChild(tr);
+	for (var v in nms.handlers) {
+		tr = document.createElement("tr");
+		td = document.createElement("td");
+		td.innerHTML = nms.handlers[v].handle;
+		tr.appendChild(td);
+		td = document.createElement("td");
+		td.innerHTML = "<input type=\"text\" id='handlerValue" + v + "' value='" + nms.handlers[v].interval + "'>";
+		td.innerHTML += "<button type=\"button\" class=\"btn btn-default\" onclick=\"nms.handlers['" + v + "'].setInterval(document.getElementById('handlerValue" + v + "').value);\">Apply</button>";
+		tr.appendChild(td);
+		td = document.createElement("td");
+		td.innerHTML = nms.handlers[v].name;
+		tr.appendChild(td);
+		td = document.createElement("td");
+		td.innerHTML = nms.handlers[v].description;
+		tr.appendChild(td);
+		table.appendChild(tr);
+	}
+	tableTop.appendChild(table);
+	document.getElementById('debugTimers').style.display = 'block'; 
+}
+
+function debugHandlers() {
+	for (var v in nms.handlers) {
+		console.log(nms.handlers[v]);
+	}
+}