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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Tendrils Network</title>
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<style>
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* { box-sizing: border-box; }
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body {
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font-family: system-ui, sans-serif;
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margin: 0;
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padding: 10px;
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background: #111;
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color: #eee;
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height: 100vh;
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}
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#controls {
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margin-bottom: 10px;
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}
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#controls button {
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background: #333;
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color: #fff;
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border: 1px solid #555;
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padding: 6px 12px;
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margin-right: 5px;
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border-radius: 4px;
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cursor: pointer;
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}
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#controls button:hover { background: #444; }
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#cy {
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background: #1a1a1a;
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border: 1px solid #333;
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height: calc(100vh - 50px);
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width: 100%;
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}
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#error { color: #f66; padding: 20px; }
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</style>
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</head>
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<body>
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<div id="controls">
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<strong>Tendrils</strong>
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<button onclick="doLayout()">Layout</button>
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<button onclick="cy.fit(50)">Fit</button>
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<span id="stats"></span>
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</div>
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<div id="error"></div>
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<div id="cy"></div>
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<script src="cytoscape.min.js"></script>
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<script>
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let cy;
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function getLabel(node) {
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if (node.names && node.names.length > 0) return node.names[0];
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return '??';
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}
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function isSwitch(node) {
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return !!(node.poe_budget);
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}
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function doLayout() {
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cy.layout({
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name: 'cose',
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animate: false,
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padding: 50,
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nodeDimensionsIncludeLabels: true,
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avoidOverlap: true,
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avoidOverlapPadding: 20,
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nodeRepulsion: 100000,
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idealEdgeLength: 200,
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edgeElasticity: 100,
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gravity: 0.1,
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numIter: 2000,
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fit: true,
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randomize: true
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}).run();
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}
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async function init() {
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const resp = await fetch('/api/status');
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const data = await resp.json();
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const nodes = data.nodes || [];
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const links = data.links || [];
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document.getElementById('stats').textContent =
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`${nodes.length} nodes, ${links.length} links`;
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const elements = [];
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const idMap = new Map();
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const switchIds = new Set();
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nodes.forEach((n, i) => {
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const id = 'n' + i;
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idMap.set(n.typeid, id);
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if (isSwitch(n)) switchIds.add(id);
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});
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nodes.forEach((n, i) => {
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const id = 'n' + i;
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const sw = switchIds.has(id);
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elements.push({
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data: {
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id: id,
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label: getLabel(n),
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isSwitch: sw
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}
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});
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});
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links.forEach((link, i) => {
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const idA = idMap.get(link.node_a?.typeid);
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const idB = idMap.get(link.node_b?.typeid);
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if (!idA || !idB) return;
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let label = '';
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if (link.interface_a) label = link.interface_a;
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if (link.interface_b) label += (label ? ' ↔ ' : '') + link.interface_b;
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elements.push({
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data: {
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id: 'e' + i,
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source: idA,
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target: idB,
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label: label
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}
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});
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});
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cy = cytoscape({
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container: document.getElementById('cy'),
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elements: elements,
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style: [
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{
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selector: 'node',
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style: {
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'label': 'data(label)',
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'text-valign': 'center',
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'text-halign': 'center',
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'background-color': '#a6d',
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'color': '#fff',
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'font-size': 12,
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'width': 120,
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'height': 40,
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'padding': 8,
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'shape': 'round-rectangle',
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'text-wrap': 'wrap',
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'text-max-width': 110
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}
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},
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{
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selector: 'node[?isSwitch]',
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style: {
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'background-color': '#2a2',
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'border-width': 3,
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'border-color': '#4f4',
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'font-size': 14,
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'font-weight': 'bold',
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'width': 100,
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'height': 50
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}
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},
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{
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selector: 'edge',
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style: {
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'width': 2,
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'line-color': '#666',
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'curve-style': 'bezier',
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'label': 'data(label)',
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'font-size': 9,
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'color': '#aaa',
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'text-background-color': '#1a1a1a',
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'text-background-opacity': 1,
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'text-background-padding': 2,
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'text-rotation': 'autorotate'
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}
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}
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],
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layout: { name: 'preset' }
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});
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doLayout();
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}
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init().catch(e => {
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document.getElementById('error').textContent = e.message;
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});
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</script>
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</body>
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</html>
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