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 offset = getOffset(document.getElementById('chart')) var w = window.innerWidth - offset.left, h = window.innerHeight - offset.top var cp = d3.select("#chart").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 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) cp.append("label") .text("Knoten hervorheben:") cp.append("br") 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(-100) .gravity(0.02) .friction(0.75) .theta(0.1) .size([w, h]) .linkDistance(function (d) { return d.distance; }) .linkStrength(function (d) { return d.strength; }) 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) { if (o.x < 10) o.x = 10 if (o.x > size[0] - 10) o.x = size[0] - 10 if (o.y < 10) o.y = 10 if (o.y > size[1] - 10) o.y = size[1] - 10 } } 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 }) link.selectAll(".label") .attr("transform", function(d) { π = Math.PI Δx = d.source.x - d.target.x Δy = d.source.y - d.target.y m = Δy/Δx α = Math.atan(m) α += Δx<0?π:0 sin = Math.sin(α) cos = Math.cos(α) x = (Math.min(d.source.x, d.target.x) + Math.abs(Δx) / 2) y = (Math.min(d.source.y, d.target.y) + Math.abs(Δy) / 2) return "matrix(" + [cos, sin, -sin, cos, x, y].join(",") + ")" }) 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 uplinks json.nodes.forEach(function(d) { d.uplinks = undefined }) json.links.forEach(function(d) { var node, other if (d.source.group == 2) { node = d.target; other = d.source; } if (d.target.group == 2) { node = d.source; other = d.target; } if (node) { if (node.uplinks === undefined) node.uplinks = new Array(); node.uplinks.push(other); } }) data = json updated_at.text(d3.time.format("%X")(new Date())) update() }) } function update() { var links = data.links .filter(function (d) { if (!visible.clients && (d.source.group == 3 || d.target.group == 3)) return false if (!visible.vpn && (d.source.group == 2 || d.target.group == 2)) 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", "link") linkEnter.append("line") link.selectAll("line") .style("stroke-width", function(d) { return Math.max(1, d.strength * 2) }) link.selectAll("path.label") .remove() link.filter(function (d) { return d.quality != "TT" && d.quality != "1.000" }) .append("path") .attr("class", "label") .attr("d", d3.svg.zigzag() .amplitude(function (d) { return Math.pow((1 - 1/d.quality), 0.5) * 8; }) .len(30) .angularFrequency(4) ) link.exit().remove() var nodes = data.nodes.filter(function (d) { if (!visible.vpn && d.group == 2) return false if (!visible.vpn && d.group == 3 && d.uplinks) return false if (!visible.clients && d.group == 3) 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("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) { return "group-" + d.group }) node.selectAll("ellipse") .attr("rx", function(d) { if (d.group == 3) return 4 else return Math.max(10, d.name.length * 5) }) .attr("ry", function(d) { if (d.group == 3) return 4 else return 10 }) nodeEnter.filter(function(d) { return d.group != 3 }) .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) { if (d.uplinks !== undefined) return d.uplinks.length > 0 else return false }) .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") .style("fill", "#333") uplink_info.append("text") .attr("text-anchor", "middle") .attr("y", 3 - 20) .text(function (d) {return d.uplinks.length}) } 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) } reload() var timer = window.setInterval(reload, 30000)