<!DOCTYPE html>
<meta charset="utf-8">
<html>
<head>
<script src="d3.v3.min.js"></script>
<script type="text/javascript" src="jquery-1.7.1.min.js"></script>
<script src="smoothie.js"></script>
<style type="text/css">
.circle, .link { stroke: #56f; stroke-width: 3px; stroke-opacity: 0.75; }
.nodetext { pointer-events: none; font: 10px sans-serif; }
body { width:100%; height:100%; margin:0; padding:0; overflow: hidden; }
svg, div, canvas { margin:0; padding:0; }
</style>
</head>
<body>
<div id="graph"></div>
<div> <canvas id="traffic" width="100%" height="150"></canvas></div>
</body>
<script type="text/javascript">
var smoothie = new SmoothieChart({'millisPerPixel': 300, 'grid': {'millisPerLine': 30000}, timestampFormatter:SmoothieChart.timeFormatter});
smoothie.streamTo(document.getElementById("traffic"), 2000);
//var line1 = new TimeSeries();
//smoothie.addTimeSeries(line1);
var colorList = d3.scale.category20();
function myGraph(el) {
var changed = false;
// Add and remove elements on the graph object
this.addNode = function (id, radius, color, distance, x, y) {
title = id;
id = 'a' + id.replace(/\./g, "-");
if (!distance) distance = 5;
distance *= w / 2000;
if (!radius) radius = 5;
var node = findNode(id);
if (!node) {
nodes.push({"id":id, "title": title, "distance":distance, "radius":radius, "active":2, "x":x, "y":y, "color":color});
changed = true;
} else {
var visNode = vis.select("#" + id);
if (visNode) {
visNode.select("title").text(id);
visNode.select("circle").attr("r", radius);
}
node.distance = distance;
node.radius = radius;
node.active = 2;
node.color = color;
var s = servers[title];
if (s && visNode) {
visNode.select("circle").style("fill", s.color);
//visNode.select("#" + id).select("circle").style("stroke", color);
}
}
}
this.decay = function () {
for (var i = nodes.length - 1; i >= 0; --i) {
if ( nodes[i].active <= 0 ) {
for (var j = links.length - 1; j >= 0; --j) {
if ((links[j].source === nodes[i]) || (links[j].target === nodes[i])) links.splice(j,1);
}
nodes.splice(i, 1);
changed = true;
continue;
}
nodes[i].active--;
}
for (var i = links.length - 1; i >= 0; --i) {
if (links[i].active <= 0) {
links.splice(i, 1);
changed = true;
continue;
}
links[i].active--;
}
}
this.removeNode = function (id) {
var i = 0;
var n = findNode(id);
while (i < links.length) {
if ((links[i]['source'] === n)||(links[i]['target'] == n)) links.splice(i,1);
else i++;
}
var index = findNodeIndex(id);
if(index !== undefined) {
nodes.splice(index, 1);
changed = true;
//update();
}
}
this.addLink = function (sourceId, targetId) {
sourceId = 'a' + sourceId.replace(/\./g, "-");
targetId = 'a' + targetId.replace(/\./g, "-");
var sourceNode = findNode(sourceId);
var targetNode = findNode(targetId);
if ((sourceNode !== undefined) && (targetNode !== undefined)) {
var link = findLink(sourceNode, targetNode);
if (!link) {
links.push({"source": sourceNode, "target": targetNode, "active":5});
//update();
changed = true;
} else {
link.active = 5;
}
}
}
var findNode = function (id) {
for (var i=0; i < nodes.length; i++) {
if (nodes[i].id === id)
return nodes[i]
}
}
var findLink = function (sourceId, targetId) {
for (var i = 0; i < links.length; ++i) {
if ( (links[i].source === sourceId && links[i].target === targetId)
|| (links[i].source === targetId && links[i].target === sourceId) )
return links[i];
}
}
var findNodeIndex = function (id) {
for (var i=0; i < nodes.length; i++) {
if (nodes[i].id === id)
return i
};
}
var w = 100, h = 100;
var updateBounds = function() {
w = window.innerWidth;
h = window.innerHeight - 150 - 10;
vis.attr("width", w);
vis.attr("height", h);
force.size([w, h]);
$(el).attr("width", w);
$(el).attr("height", h);
$("#traffic").attr("width", w);
}
var vis = this.vis = d3.select(el).append("svg:svg")
.attr("width", w)
.attr("height", h);
var force = d3.layout.force()
.gravity(.02)
.distance(function(bla) { return bla.source.distance * bla.target.distance; })
.linkStrength(0.5)
.charge(function(bla) { return -bla.distance * 10 * bla.distance; })
.friction(0.6)
.size([w, h]);
var nodes = force.nodes(),
links = force.links();
this.update = function () {
if (!changed)
return;
update();
}
var update = function () {
changed = false;
var node = vis.selectAll("g.node")
.data(nodes, function(d) { return d.id;});
var nodeEnter = node.enter().append("g")
.attr("class", "node")
.attr("id", function(d) { return d.id;})
.on("mouseover", function(d) {
var s = servers[d.title];
if (!s) return;
smoothie.seriesSet[s.index].options.lineWidth = 4;
})
.on("mouseout", function(d) {
var s = servers[d.title];
if (!s) return;
smoothie.seriesSet[s.index].options.lineWidth = 2;
});
nodeEnter.append("circle")
.attr("class", "circle")
.attr("r", function(d) { return d.radius; })
.style("fill", function(d) { return d.color; });
nodeEnter.append("title");
nodeEnter.append("text")
.attr("class", "nodetext")
.attr("dx", -32)
.attr("dy", "-1em")
.text(function(d) {return d.title});
node.exit().remove();
var link = vis.selectAll("line.link")
.data(links, function(d) { return d.source.id + "-" + d.target.id; });
link.enter().insert("line")
.attr("class", "link");
link.exit().remove();
vis.selectAll('g.node').forEach(function(e){$('#graph').find('svg').append(e)});
var render = function() {
var fixX = function(x) {
return (x - lx) * scale + 20 + offX;
}
var fixY = function(y) {
return (y - ly) * scale + 20 + offY;
}
var lx = 1000, ly = 1000, ux = -1000, uy = -1000;
for (var i = 0; i < nodes.length; ++i) {
if (nodes[i].x < lx) lx = nodes[i].x;
if (nodes[i].x > ux) ux = nodes[i].x;
if (nodes[i].y < ly) ly = nodes[i].y;
if (nodes[i].y > uy) uy = nodes[i].y;
}
var width = (ux - lx), height = (uy - ly);
var scale;
var offX = 0, offY = 0;
if ( (width / w) > (height / h) ) {
scale = (w - 40) / width;
offY = (h - (height * scale + 20)) / 2;
} else {
scale = (h - 40) / height;
offX = (w - (width * scale + 20)) / 2;
}
link.attr("x1", function(d) { return fixX(d.source.x); })
.attr("y1", function(d) { return fixY(d.source.y); })
.attr("x2", function(d) { return fixX(d.target.x); })
.attr("y2", function(d) { return fixY(d.target.y); });
node.attr("transform", function(d) { return "translate(" + fixX(d.x) + "," + fixY(d.y) + ")"; });
};
force.on("tick", render);
updateBounds();
force.start();
}
update();
$( window ).resize( update );
}
graph = new myGraph("#graph");
var servers = {};
var serverCount = 0;
setInterval( function() {
$.get('/data.json', function(data) {
var g = data.graph;
var stats = data.servers;
if (g) {
for (var i = 0; i < g.nodes.length; ++i) {
graph.addNode(g.nodes[i].name, g.nodes[i].radius, g.nodes[i].color, g.nodes[i].distance, g.nodes[i].x, g.nodes[i].y);
}
for (var i = 0; i < g.edges.length; ++i) {
graph.addLink(g.edges[i].source, g.edges[i].target);
}
}
if (stats) {
for (var i = 0; i < stats.length; ++i) {
var server = servers[stats[i].address];
if (!server) {
servers[stats[i].address] = server = { 'lastTime': 0, 'lastSent': 0, 'line': new TimeSeries(), 'index': serverCount++ };
server.color = colorList(server.index);
smoothie.addTimeSeries(server['line'], {lineWidth:2, strokeStyle: server.color});
}
if (server['lastTime'] != 0) {
server['line'].append(new Date().getTime(), (stats[i].bytesSent - server['lastSent'])/1000/(data.timestamp - server.lastTime));
//smoothie.seriesSet[server.index].options.strokeStyle = 'rgba(0,255,0,0.93)';
}
server['lastTime'] = data.timestamp;
server['lastSent'] = stats[i].bytesSent;
}
}
}, 'json').always(function() {
graph.decay();
graph.update();
});
}, 2000);
</script>
