mirror of
https://github.com/ntop/ntopng.git
synced 2026-04-28 23:19:33 +00:00
582 lines
15 KiB
Lua
582 lines
15 KiB
Lua
--
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-- (C) 2014-24 - ntop.org
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--
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_ifstats = interface.getStats()
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print [[
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<div id = "alert_placeholder"></div>
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<style>
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.node rect {
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cursor: move;
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fill-opacity: .9;
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shape-rendering: crispEdges;
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}
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.node text {
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pointer-events: none;
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text-shadow: 0 1px 0 #fff;
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}
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.link {
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fill: none;
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stroke: #000;
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stroke-opacity: .2;
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}
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.link:hover {
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stroke-opacity: .5;
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}
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</style>
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<div class="container">
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<div class="row">
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<div class="col-12">
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<div id="chart" style="margin-left: auto; margin-right: auto;"></div>
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</div>
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</div>
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</div>
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<script type="text/javascript">
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d3.sankey = function() {
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var sankey = {},
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nodeWidth = 24,
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nodePadding = 8,
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size = [1, 1],
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nodes = [],
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links = [];
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sankey.nodeWidth = function(_) {
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if (!arguments.length) return nodeWidth;
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nodeWidth = +_;
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return sankey;
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};
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sankey.nodePadding = function(_) {
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if (!arguments.length) return nodePadding;
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nodePadding = +_;
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return sankey;
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};
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sankey.nodes = function(_) {
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if (!arguments.length) return nodes;
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nodes = _;
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return sankey;
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};
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sankey.links = function(_) {
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if (!arguments.length) return links;
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links = _;
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return sankey;
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};
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sankey.size = function(_) {
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if (!arguments.length) return size;
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size = _;
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return sankey;
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};
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sankey.layout = function(iterations) {
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computeNodeLinks();
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computeNodeValues();
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computeNodeBreadths();
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computeNodeDepths(iterations);
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computeLinkDepths();
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return sankey;
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};
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sankey.relayout = function() {
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computeLinkDepths();
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return sankey;
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};
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sankey.link = function() {
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var curvature = .5;
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function link(d) {
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var x0 = d.source.x + d.source.dx,
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x1 = d.target.x,
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xi = d3.interpolateNumber(x0, x1),
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x2 = xi(curvature),
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x3 = xi(1 - curvature),
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y0 = d.source.y + d.sy + d.dy / 2,
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y1 = d.target.y + d.ty + d.dy / 2;
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return "M" + x0 + "," + y0
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+ "C" + x2 + "," + y0
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+ " " + x3 + "," + y1
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+ " " + x1 + "," + y1;
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}
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link.curvature = function(_) {
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if (!arguments.length) return curvature;
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curvature = +_;
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return link;
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};
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return link;
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};
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// Populate the sourceLinks and targetLinks for each node.
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// Also, if the source and target are not objects, assume they are indices.
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function computeNodeLinks() {
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nodes.forEach(function(node) {
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node.sourceLinks = [];
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node.targetLinks = [];
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});
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links.forEach(function(link) {
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var source = link.source,
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target = link.target;
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if (typeof source === "number") source = link.source = nodes[link.source];
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if (typeof target === "number") target = link.target = nodes[link.target];
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source.sourceLinks.push(link);
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target.targetLinks.push(link);
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});
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}
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// Compute the value (size) of each node by summing the associated links.
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function computeNodeValues() {
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nodes.forEach(function(node) {
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node.value = Math.max(
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d3.sum(node.sourceLinks, value),
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d3.sum(node.targetLinks, value)
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);
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});
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}
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// Iteratively assign the breadth (x-position) for each node.
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// Nodes are assigned the maximum breadth of incoming neighbors plus one;
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// nodes with no incoming links are assigned breadth zero, while
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// nodes with no outgoing links are assigned the maximum breadth.
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function computeNodeBreadths() {
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var remainingNodes = nodes,
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nextNodes,
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x = 0;
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while (remainingNodes.length) {
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nextNodes = [];
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remainingNodes.forEach(function(node) {
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node.x = x;
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node.dx = nodeWidth;
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node.sourceLinks.forEach(function(link) {
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nextNodes.push(link.target);
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});
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});
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remainingNodes = nextNodes;
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++x;
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}
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//
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moveSinksRight(x);
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scaleNodeBreadths((size[0] - nodeWidth) / (x - 1));
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}
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function moveSourcesRight() {
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nodes.forEach(function(node) {
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if (!node.targetLinks.length) {
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node.x = d3.min(node.sourceLinks, function(d) { return d.target.x; }) - 1;
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}
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});
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}
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function moveSinksRight(x) {
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nodes.forEach(function(node) {
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if (!node.sourceLinks.length) {
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node.x = x - 1;
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}
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});
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}
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function scaleNodeBreadths(kx) {
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nodes.forEach(function(node) {
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node.x *= kx;
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});
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}
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function computeNodeDepths(iterations) {
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var nodesByBreadth = d3.nest()
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.key(function(d) { return d.x; })
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.sortKeys(d3.ascending)
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.entries(nodes)
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.map(function(d) { return d.values; });
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//
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initializeNodeDepth();
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resolveCollisions();
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for (var alpha = 1; iterations > 0; --iterations) {
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relaxRightToLeft(alpha *= .99);
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resolveCollisions();
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relaxLeftToRight(alpha);
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resolveCollisions();
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}
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function initializeNodeDepth() {
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var ky = d3.min(nodesByBreadth, function(nodes) {
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return (size[1] - (nodes.length - 1) * nodePadding) / d3.sum(nodes, value);
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});
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nodesByBreadth.forEach(function(nodes) {
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nodes.forEach(function(node, i) {
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node.y = i;
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node.dy = node.value * ky;
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});
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});
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links.forEach(function(link) {
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link.dy = link.value * ky;
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});
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}
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function relaxLeftToRight(alpha) {
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nodesByBreadth.forEach(function(nodes, breadth) {
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nodes.forEach(function(node) {
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if (node.targetLinks.length) {
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var y = d3.sum(node.targetLinks, weightedSource) / d3.sum(node.targetLinks, value);
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node.y += (y - center(node)) * alpha;
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}
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});
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});
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function weightedSource(link) {
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return center(link.source) * link.value;
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}
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}
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function relaxRightToLeft(alpha) {
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nodesByBreadth.slice().reverse().forEach(function(nodes) {
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nodes.forEach(function(node) {
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if (node.sourceLinks.length) {
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var y = d3.sum(node.sourceLinks, weightedTarget) / d3.sum(node.sourceLinks, value);
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node.y += (y - center(node)) * alpha;
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}
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});
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});
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function weightedTarget(link) {
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return center(link.target) * link.value;
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}
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}
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function resolveCollisions() {
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nodesByBreadth.forEach(function(nodes) {
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var node,
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dy,
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y0 = 0,
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n = nodes.length,
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i;
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// Push any overlapping nodes down.
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nodes.sort(ascendingDepth);
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for (i = 0; i < n; ++i) {
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node = nodes[i];
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dy = y0 - node.y;
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if (dy > 0) node.y += dy;
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y0 = node.y + node.dy + nodePadding;
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}
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// If the bottommost node goes outside the bounds, push it back up.
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dy = y0 - nodePadding - size[1];
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if (dy > 0) {
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y0 = node.y -= dy;
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// Push any overlapping nodes back up.
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for (i = n - 2; i >= 0; --i) {
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node = nodes[i];
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dy = node.y + node.dy + nodePadding - y0;
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if (dy > 0) node.y -= dy;
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y0 = node.y;
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}
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}
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});
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}
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function ascendingDepth(a, b) {
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return a.y - b.y;
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}
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}
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function computeLinkDepths() {
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nodes.forEach(function(node) {
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node.sourceLinks.sort(ascendingTargetDepth);
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node.targetLinks.sort(ascendingSourceDepth);
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});
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nodes.forEach(function(node) {
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var sy = 0, ty = 0;
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node.sourceLinks.forEach(function(link) {
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link.sy = sy;
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sy += link.dy;
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});
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node.targetLinks.forEach(function(link) {
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link.ty = ty;
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ty += link.dy;
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});
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});
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function ascendingSourceDepth(a, b) {
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return a.source.y - b.source.y;
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}
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function ascendingTargetDepth(a, b) {
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return a.target.y - b.target.y;
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}
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}
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function center(node) {
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return node.y + node.dy / 2;
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}
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function value(link) {
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return link.value;
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}
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return sankey;
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};
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</script>
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<script>
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]]
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-- Create javascript vlan boolean variable
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if (_ifstats.iface_vlan) then print("var iface_vlan = true;") else print("var iface_vlan = false;") end
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print [[
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var sankey_has_chart = false;
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function sankey() {
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var w = $("#chart").width();
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var h = window.innerHeight / 2;
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var margin = {top: 10, right: 10, bottom: 10, left: 10},
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width = w - margin.left - margin.right,
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height = h - margin.top - margin.bottom;
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var formatNumber = d3.format(",.0f"),
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format = function(sent, rcvd) { return "[sent: " + NtopUtils.bytesToVolume(sent) + ", rcvd: " + NtopUtils.bytesToVolume(rcvd)+"]"; },
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color = d3.scale.category20();
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]]
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-- Default value
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active_sankey = "host"
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local debug = false
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if(_GET["host"] ~= nil) then
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print('d3.json("'..ntop.getHttpPrefix()..'/lua/iface_flows_sankey.lua?ifid='..(_ifstats.id)..'&' ..hostinfo2url(hostkey2hostinfo(_GET["host"])).. '"')
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else
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print('d3.json("'..ntop.getHttpPrefix()..'/lua/iface_flows_sankey.lua"')
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end
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if (debug) then io.write("Active sankey: "..active_sankey.."\n") end
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print [[
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, function(hosts) {
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if ((hosts.links.length == 0) && (hosts.nodes.length == 0)) {
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if(! sankey_has_chart)
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$('#alert_placeholder').html("<div class=\"alert alert-warning\"><button type=\"button\" class=\"close\" data-bs-dismiss=\"alert\">x</button><strong>Warning: </strong>]] print(i18n("no_talkers_for_the_host")) print[[.</div>");
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return;
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}
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$('#alert_placeholder').html("");
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d3.select("#chart").select("svg").remove();
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sankey_has_chart = true;
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var sankey_width = width + margin.left + margin.right;
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var sankey_height = height + margin.top + margin.bottom;
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var svg_sankey = d3.select("#chart").append("svg")
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.attr("width", sankey_width)
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.attr("height", sankey_height)
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.append("g")
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.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
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var sankey = d3.sankey()
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.nodeWidth(15)
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.nodePadding(10)
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.size([width, height]);
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var path = sankey.link();
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sankey
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.nodes(hosts.nodes)
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.links(hosts.links)
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.layout(32);
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]]
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if (active_sankey == "host") then
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print [[
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/* Color the link according to traffic prevalence */
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var colorlink = function(d){
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if (d.sent > d.rcvd) return color(d.source.name);
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else return color(d.target.name);
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}
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var link = svg_sankey.append("g").selectAll(".link")
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.data(hosts.links)
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.enter().append("path")
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.attr("class", "link")
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.attr("d", path)
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.style("stroke-width", function(d) { return Math.max(1, d.dy); })
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.style("stroke", function(d){ return d.color = colorlink(d); })
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.sort(function(a, b) { return b.dy - a.dy; })
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link.append("title")
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.text(function(d) { return d.source.name + " - " + d.target.name + "\n" + format(d.sent, d.rcvd) + "\n Double click to show more information about the flows between this two host." ; });
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var node = svg_sankey.append("g").selectAll(".node")
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.data(hosts.nodes)
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.enter().append("g")
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.attr("class", "node")
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.attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; })
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.call(d3.behavior.drag()
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.origin(function(d) { return d; })
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.on("drag", dragmove))
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.on("click", function(d) { window.location.href = "]]
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print (ntop.getHttpPrefix())
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print [[/lua/host_details.lua?host="+escape(d.host)+"@"+escape(d.vlan); });
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node.append("rect")
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.attr("height", function(d) { return d.dy; })
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.attr("width", sankey.nodeWidth())
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.style("fill", function(d) { return d.color = color(d.name.replace(/ .*/, "")); })
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.style("stroke", function(d) { return d3.rgb(d.color).darker(2); })
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.append("title")
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.text(function(d) { return d.name + "\n" + format(d.value); });
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/* Hook for clicking on host name */
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node.append("rect")
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.attr("x", -4 -100)
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.attr("y", function(d) { return (d.dy/2)-7; })
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.attr("height", 12)
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.attr("width", 150)
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.style("opacity", "0")
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.attr("transform", null)
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.filter(function(d) { return d.x < width / 2; })
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.attr("x", 4 + sankey.nodeWidth())
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.append("title")
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.text(function(d) { return "Host: " + d.host + "\nVlan: " + d.vlan});
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node.append("text")
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.attr("x", -6)
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.attr("y", function(d) { return d.dy / 2; })
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.attr("dy", ".35em")
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.attr("text-anchor", "end")
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.attr("transform", null)
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.text(function(d) { return (d.name); })
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.filter(function(d) { return d.x < width / 2; })
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.attr("x", 6 + sankey.nodeWidth())
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.attr("text-anchor", "start");
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]]
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elseif(active_sankey == "comparison") then
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url = ntop.getHttpPrefix().."/lua/flows_stats.lua?"
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print [[
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/* Color the link according to traffic volume */
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var colorlink = function(d){
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return color(d.value);
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}
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var aggregation_to_param = {
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l4proto: "application",
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ndpi: "application",
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port: "port",
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};
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var link = svg_sankey.append("g").selectAll(".link")
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.data(hosts.links)
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.enter().append("path")
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.attr("class", "link")
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.attr("d", path)
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.style("stroke-width", function(d) { return Math.max(1, d.dy); })
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.style("stroke", function(d){ return d.color = colorlink(d); })
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.sort(function(a, b) { return b.dy - a.dy; })
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.on("dblclick", function(d) { window.location.href = "]]
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print(url.."hosts=".._GET["hosts"])
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print [[&aggregation="+escape(d.aggregation)+"&"+aggregation_to_param[d.aggregation]+"="+escape(d.target.name) ; });
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link.append("title")
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.text(function(d) { return d.source.name + " - " + d.target.name + "\n" + NtopUtils.bytesToVolume(d.value)+ "\n Double click to show more information about this flows." ; });
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var node = svg_sankey.append("g").selectAll(".node")
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.data(hosts.nodes)
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.enter().append("g")
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.attr("class", "node")
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.attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; })
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.call(d3.behavior.drag()
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.origin(function(d) { return d; })
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.on("dragstart", function() { this.parentNode.appendChild(this); })
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.on("drag", dragmove));
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node.append("rect")
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.attr("height", function(d) { return d.dy; })
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.attr("width", sankey.nodeWidth())
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.style("fill", function(d) { return d.color = color(d.name.replace(/ .*/, "")); })
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.style("stroke", function(d) { return d3.rgb(d.color).darker(2); })
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.append("title")
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.text(function(d) {
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return (d.name);
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});
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/* Hook for clicking on host name */
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node.append("rect")
|
|
.attr("x", -4 -100)
|
|
.attr("y", function(d) { return (d.dy/2)-7; })
|
|
.attr("height", 12)
|
|
.attr("width", 150)
|
|
.style("opacity", "0")
|
|
.attr("transform", null)
|
|
.filter(function(d) { return d.x < width / 2; })
|
|
.attr("x", 4 + sankey.nodeWidth())
|
|
.append("title")
|
|
.text(function(d) { return "Ip: " + d.ip + " Vlan: " + d.vlan});
|
|
|
|
node.append("text")
|
|
.attr("x", -6)
|
|
.attr("y", function(d) { return d.dy / 2; })
|
|
.attr("dy", ".35em")
|
|
.attr("text-anchor", "end")
|
|
.attr("transform", null)
|
|
.text(function(d) {
|
|
return (d.name);
|
|
})
|
|
.filter(function(d) { return d.x < width / 2; })
|
|
.attr("x", 6 + sankey.nodeWidth())
|
|
.attr("text-anchor", "start");
|
|
|
|
]]
|
|
end
|
|
|
|
|
|
print [[
|
|
function dragmove(d) {
|
|
d3.select(this).attr("transform", "translate(" + d.x + "," + (d.y = Math.max(0, Math.min(height - d.dy, d3.event.y))) + ")");
|
|
sankey.relayout();
|
|
link.attr("d", path);
|
|
}
|
|
});
|
|
}
|
|
|
|
sankey();
|
|
|
|
// Refresh every 5 seconds
|
|
var sankey_interval = window.setInterval(sankey, 5000);
|
|
|
|
</script>]]
|
|
|