var style; function switch_style(s) { var el = document.getElementsByTagName("link") for (var i = 0; i < el.length; i++ ) { if (el[i].getAttribute("rel").indexOf("style") != -1 && el[i].getAttribute("title")) { /* always set to true first to workaround Chrome bug */ el[i].disabled = true if (el[i].getAttribute("title") == s) el[i].disabled = false } } style_btn.text(s) } function getOffset( el ) { var _x = 0, _y = 0 while( el && !isNaN( el.offsetLeft ) && !isNaN( el.offsetTop ) ) { _x += el.offsetLeft - el.scrollLeft _y += el.offsetTop - el.scrollTop el = el.offsetParent } return { top: _y, left: _x } } var w, h resize() window.onresize = resize function resize() { var offset = getOffset(document.getElementById('chart')) w = window.innerWidth - offset.left h = window.innerHeight - offset.top - 1 d3.select("#chart") .attr("width", w).attr("height", h) if (vis) vis.attr("width", w).attr("height", h) if (force) force.size([w, h]).start() } function next_style() { var s; if (style !== undefined) s = d3.select("head link[title=" + style + "] + link") if (s == null || s[0][0] == null) s = d3.select("head link[title]") style = s[0][0].getAttribute("title") switch_style(style) } var cp = d3.select("header").append("div") .attr("id", "controlpanel") var updated_at = cp.append("p") cp.append("button") .attr("class", "btn") .attr("value", "reload") .text("Aktualisieren") .on("click", reload) var style_btn = cp.append("button") .attr("class", "btn") .attr("value", "reload") .text("Farbwechsler") .on("click", next_style) cp.append("button") .attr("class", "btn") .attr("value", "reload") .on("click", pacman) .append("svg") .attr("width", 12) .attr("height", 12) .append("path") .attr("d", d3.svg.arc().innerRadius(0) .outerRadius(5) .endAngle(-Math.PI/4 + Math.PI/2 + 2*Math.PI) .startAngle(Math.PI/4 + Math.PI/2)) .attr("fill", "#888") .attr("transform", "translate(6,7)") var btns = cp.append("div") .attr("class", "btn-group") btns.append("button") .attr("class", "btn active left") .attr("value", "clients") .text("Clients") .on("click", update_graph) btns.append("button") .attr("class", "btn active right") .attr("value", "vpn") .text("VPN") .on("click", update_graph) var meshinfo = d3.select("#sidebar") .insert("div", ":first-child") meshinfo.append("h2").text("Mesh") meshinfo.append("p") .attr("id", "nodecount") meshinfo.append("p") .attr("id", "gatewaycount") meshinfo.append("p") .attr("id", "clientcount") //cp.append("input") // .on("keyup", function(){show_node(this.value)}) // .on("change", function(){show_node(this.value)}) function show_node(mac) { d3.selectAll("#chart .node") .classed("marked", false) if (mac.length == 0) return d3.selectAll("#chart .node") .each( function(d) { if (d.id == mac) d3.select(this) .classed("marked", true) }) } var hashstr = window.location.hash.substring(1) function isConnected(a, b) { return linkedByIndex[a.index + "," + b.index] || linkedByIndex[b.index + "," + a.index] || a.index == b.index } function fade(opacity) { return function(d) { vis.selectAll("g.node")   .style("stroke-opacity", function(o) { var connected = isConnected(d, o) if (connected && opacity != 1) d3.select(this) .classed("highlight", true) else d3.select(this) .classed("highlight", false)         thisOpacity = connected?1:opacity    this.setAttribute('fill-opacity', thisOpacity)         return thisOpacity  }) vis.selectAll(".link *")   .style("stroke-opacity", function(o) {  return o.source === d || o.target === d ? 1 : opacity  })   } } function show_node_info(d) { d3.selectAll("#nodeinfo").remove() nodeinfo = d3.select("#chart") .append("div") .attr("id", "nodeinfo") nodeinfo.append("button") .attr("class", "close") .text("x") .on("click", function(d) { nodeinfo.remove() }) nodeinfo.append("h1") .text(d.name + " / " + d.id) nodeinfo.append("p") .append("label") .text("macs: " + d.macs) if (d.geo) { nodeinfo.append("h2").text("Geodaten") nodeinfo.append("p") .text(d.geo) url = GMaps.staticMapURL({ size: [300, 100], lat: d.geo[0], lng: d.geo[1], markers: [ {lat: d.geo[0], lng: d.geo[1]} ] }) nodeinfo.append("img") .attr("src", url) } } function update_graph() { jQuery(this).toggleClass("active") var value = jQuery(this).val() visible[value] = jQuery(this).hasClass("active") update() } var vis = d3.select("#chart").append("svg") .attr("width", w) .attr("height", h) vis.append("g").attr("class", "links") vis.append("g").attr("class", "nodes") var linkedByIndex var force = d3.layout.force() .charge( function (d) { if (d.flags.client) return -30 return -200 }) .gravity(0.035) .friction(0.73) .theta(0.8) .size([w, h]) .linkDistance(function (d) { switch (d.type) { case "vpn": return 200 case "client": return 20 default: return 70 } }) .linkStrength(function (d) { switch (d.type) { case "vpn": return 0.05 case "client": return 1 default: return 0.8 } }) force.on("tick", function() { var size = force.size() var nodes = force.nodes() var n = nodes.length for (i = 0; i < n; i++) { var o = nodes[i] if (!o.fixed) { node = d3.select(document.getElementById(o.id))[0][0] box = bounding_box(node) if (o.x < box.rx) o.x = box.rx if (o.x > size[0] - box.rx) o.x = size[0] - box.rx if (o.y < box.ry) o.y = box.ry if (o.y > size[1] - box.ry) o.y = size[1] - box.ry } } var link = vis.selectAll(".link") link.selectAll("line") .attr("x1", function(d) { return d.source.x }) .attr("y1", function(d) { return d.source.y }) .attr("x2", function(d) { return d.target.x }) .attr("y2", function(d) { return d.target.y }) vis.selectAll(".node").attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; }) }) var data var visible = {clients: true, vpn: true} function reload() { d3.json(nodes_json, function(json) { // update existing nodes with new info // XXX inefficient data structure json.nodes.forEach(function(d, i) { var n force.nodes().forEach(function(x) {if (x.id == d.id) n = x}) if (n) { for (var key in d) if (d.hasOwnProperty(key)) n[key] = d[key] json.nodes[i] = n } }) json.links.forEach(function(d, i) { var n force.links().forEach(function(x) {if (x.id == d.id) n = x}) if (n) { for (var key in d) if (d.hasOwnProperty(key)) n[key] = d[key] json.links[i] = n } }) // replace indices with real objects json.links.forEach( function(d) { if (typeof d.source == "number") d.source = json.nodes[d.source]; if (typeof d.target == "number") d.target = json.nodes[d.target]; }) // count vpn links json.nodes.forEach(function(d) { d.vpns = 0 }) json.links.forEach(function(d) { var node, other if (d.type == "vpn") { d.source.vpns++ d.target.vpns++ } }) data = json updated_at.text(d3.time.format("%X")(new Date())) var nNodes = data.nodes.filter(function(d) { return !d.flags.client && d.flags.online }).length, nGateways = data.nodes.filter(function(d) { return d.flags.gateway && d.flags.online }).length, nClients = data.nodes.filter(function(d) { return d.flags.client && d.flags.online }).length d3.select("#nodecount") .text(nNodes + " Knoten") d3.select("#gatewaycount") .text(nGateways + " Gateways") d3.select("#clientcount") .text("ungefähr " + (nClients - nNodes) + " Clients") update() }) } var linkcolor = d3.scale.linear() .domain([1, 1.5, 3]) .range(["#0a3", "orange", "red"]); function update() { var links = data.links .filter(function (d) { if (!visible.vpn && d.type == "vpn") return false if (!visible.clients && (d.source.flags.client || d.target.flags.client)) return false // hides links to clients if (!visible.vpn && (d.source.flags.vpn || d.target.flags.vpn)) return false return true }) var link = vis.select("g.links") .selectAll("g.link") .data(links, function(d) { return d.id }) var linkEnter = link.enter().append("g") .attr("class", function(d) { return "link " + d.type }) .on("mouseover", function(d) { d.source.fixed |= 2 d.target.fixed |= 2 }) .on("mouseout", function(d) { d.source.fixed &= 1 d.target.fixed &= 1 }) linkEnter.append("line") .append("title") link.selectAll("line") .filter( function (d) { return d.type != 'client' }) .style("stroke", function(d) { return linkcolor(Math.max.apply(null, d.quality.split(","))) }) link.selectAll("title") .text( function (d) { var s = d.quality if (d.type) s += " (" + d.type + ")" return s }) link.exit().remove() var nodes = data.nodes.filter(function (d) { if (!visible.vpn && d.flags.vpn) return false if (!visible.clients && d.flags.client) return false if (!d.flags.online) return false return true }) var node = vis.select("g.nodes") .selectAll("g.node") .data(nodes, function(d) { return d.id } ) var nodeEnter = node.enter().append("g") .attr("id", function (d) { return d.id }) .attr("class", "node") .on("mouseover", fade(.2)) .on("mouseout", fade(1)) .on("click", show_node_info) .call(force.drag) nodeEnter.append("ellipse") .attr("class", function(d) { var s = [] for (var key in d.flags) if (d.flags.hasOwnProperty(key) && d.flags[key]) s.push(key) return s.join(" ") }) node.selectAll("ellipse") .attr("rx", function(d) { if (d.flags.client) return 4 else return Math.max(10, d.name.length * 5) }) .attr("ry", function(d) { if (d.flags.client) return 4 else return 10 }) nodeEnter.filter(function(d) { return !d.flags.client }) .append("text") .attr("class", "name") .attr("text-anchor", "middle") .attr("y", "4px") node.selectAll("text.name") .text(function(d) { return d.name }) nodeEnter.append("title") node.selectAll("title") .text(function(d) { return d.macs }) node.selectAll(".uplinks").remove() if (!visible.vpn) { var uplink_info = node.filter(function (d) { return d.vpns > 0 }) .append("g") .attr("class", "uplinks") uplink_info.append("path") .attr("d","m -2.8850049,-13.182327" + "c 7.5369165,0.200772 12.1529864,-1.294922 12.3338513,-10.639456" + "l 2.2140476,1.018191 -3.3137621,-5.293097 -3.2945999,5.20893 2.4339957,-0.995747" + "c -0.4041883,5.76426 -1.1549641,10.561363 -10.3735326,10.701179 z") uplink_info.append("text") .attr("text-anchor", "middle") .attr("y", 3 - 20) .text(function (d) {return d.vpns}) } node.exit().remove() force.nodes(nodes) .links(links) .alpha(0.1) .start() linkedByIndex = {} links.forEach(function(d) { linkedByIndex[d.source.index + "," + d.target.index] = 1 }) if (hashstr.length != 0) show_node(hashstr) } function bounding_box(d) { var c = d.firstChild var r = {} switch(c.nodeName) { case "ellipse": r.rx = c.rx.animVal.value r.ry = c.ry.animVal.value break; case "circle": r.rx = r.rz = c.r.animVal.value break; default: r.rx = r.ry = 10 } return r } reload() var timer = window.setInterval(reload, 30000)