mirror of
https://github.com/cwinfo/yggdrasil-map
synced 2024-11-22 16:20:27 +00:00
427 lines
11 KiB
JavaScript
427 lines
11 KiB
JavaScript
"use strict";
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var nodes = [];
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var edges = [];
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var canvas = null;
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var ctx = null;
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var mapOffset = {x: 0, y: 0};
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var zoom = 1.0;
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function changeHash(hash) {
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window.location.replace(('' + window.location).split('#')[0] + '#' + hash);
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}
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function updateCanvasSize() {
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$(canvas).attr({height: $(canvas).height(), width: $(canvas).width()});
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ctx.translate(mapOffset.x, mapOffset.y);
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}
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function drawCircle(ctx, x, y, radius, color) {
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ctx.fillStyle = color;
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ctx.beginPath();
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ctx.arc(x, y, radius, 0, Math.PI*2, true);
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ctx.fill();
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}
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function drawLine(ctx, x1, y1, x2, y2, color) {
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ctx.strokeStyle = color;
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ctx.beginPath();
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ctx.moveTo(x1, y1);
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ctx.lineTo(x2, y2);
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ctx.closePath();
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ctx.stroke();
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}
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function drawText(ctx, x, y, text, color, font) {
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// ctx.save();
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// ctx.translate(x, y);
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// ctx.rotate(Math.PI/4);
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ctx.fillStyle = color;
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ctx.font = font;
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ctx.textAlign = 'center';
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ctx.fillText(text, x, y);
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// ctx.restore();
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}
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function drawNetwork() {
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ctx.save();
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ctx.setTransform(1, 0, 0, 1, 0, 0);
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ctx.clearRect(0, 0, canvas.width, canvas.height);
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ctx.restore();
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// Draw edges
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for (var i = 0; i < edges.length; ++i) {
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var edge = edges[i];
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var highlight = edge.sourceNode.hover || edge.targetNode.hover;
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var color = highlight ? 'rgba(0, 0, 0, 0.5)' : 'rgba(0, 0, 0, 0.15)';
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drawLine(ctx,
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edge.sourceNode.x, edge.sourceNode.y,
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edge.targetNode.x, edge.targetNode.y,
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color);
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}
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// Draw nodes
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for (var i = 0; i < nodes.length; ++i) {
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var node = nodes[i];
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drawCircle(ctx, node.x, node.y, node.radius, node.color);
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}
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// Draw labels
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for (var i = 0; i < nodes.length; ++i) {
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var node = nodes[i];
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if (node.radius > 4 || node.selected || node.hover) {
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var fontSize = 4 + node.radius * 0.4;
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drawText(ctx, node.x, node.y - node.radius - 1,
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node.label, node.textColor, fontSize + 'pt "ubuntu mono"');
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}
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}
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}
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function getNodeAt(x, y) {
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x -= mapOffset.x;
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y -= mapOffset.y;
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for (var i = nodes.length - 1; i >= 0; --i) {
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var node = nodes[i];
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var distPow2 = (node.x - x) * (node.x - x) + (node.y - y) * (node.y - y);
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if (distPow2 <= node.radius * node.radius) {
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return node;
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}
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}
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return null;
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}
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function searchNode(id) {
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for (var i = 0; i < nodes.length; ++i) {
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if (nodes[i].id == id)
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return nodes[i];
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}
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return null;
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}
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function clearNodes() {
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changeHash('');
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$('#node-info').html('');
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for (var i = 0; i < nodes.length; ++i) {
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var node = nodes[i];
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node.depth = 0xFFFF;
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node.color = node.originalColor;
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node.textColor = node.color;
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node.selected = false;
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}
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}
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function selectNode(node, redraw) {
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clearNodes();
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changeHash(node.id);
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node.selected = true;
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showNodeInfo(node);
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markPeers(node, 0);
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if (redraw)
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drawNetwork();
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}
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function markPeers(node, depth) {
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node.depth = depth;
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// var colors = ['#000000', '#333333', '#555555', '#777777', '#999999', '#BBBBBB', '#DDDDDD'];
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// var colors = ['#000000', '#29BBFF', '#09E844', '#FFBD0F', '#FF5E14', '#FF3C14', '#FF7357', '#FF9782', '#FFC8BD', '#FFE6E0'];
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var colors = ['#000000', '#096EE8', '#09E8B8', '#36E809', '#ADE809', '#E8B809', '#E87509', '#E83A09', '#E86946', '#E8AC9B', '#E8C9C1'];
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var txtCol = ['#000000', '#032247', '#034537', '#0E3D02', '#354703', '#403203', '#3D1F02', '#3B0E02', '#3B0E02', '#3B0E02', '#3B0E02'];
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// var colors = ['#000000', '#064F8F', '#068F81', '#068F38', '#218F06', '#6F8F06', '#8F7806', '#8F5106'];
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// var colors = ['#FFFFFF', '#29BBFF', '#17FF54', '#FFBD0F', '#FF3C14', '#590409'];
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node.color = (depth >= colors.length) ? '#FFFFFF' : colors[depth];
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node.textColor = (depth >= txtCol.length) ? '#FFFFFF' : txtCol[depth];
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for (var i = 0; i < node.peers.length; ++i) {
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var n = node.peers[i];
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if (n.depth > depth + 1)
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markPeers(n, depth + 1);
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}
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}
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function showNodeInfo(node) {
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var ip_peers = [];
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var dns_peers = [];
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for (var i = 0; i < node.peers.length; ++i) {
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var n = node.peers[i];
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if (/^[0-9A-F]{4}$/i.test(n.label))
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ip_peers.push(n);
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else
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dns_peers.push(n);
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}
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var label_compare = function(a, b) {
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return a.label.localeCompare(b.label);
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}
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dns_peers.sort(label_compare);
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ip_peers.sort(label_compare);
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var peers = dns_peers.concat(ip_peers);
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var html =
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'<h2>' + node.label + '</h2>' +
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'<span class="tt">' + node.id + '</span><br>' +
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'<br>' +
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'<strong>Version:</strong> ' + node.version + '<br>' +
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'<strong>Peers:</strong> ' + node.peers.length + '<br>' +
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'<strong>Centrality:</strong> ' + node.centrality + '<br>' +
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'<table>' +
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// '<tr><td></td><td><strong>Their peers #</strong></td></tr>' +
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peers.map(function (n) {
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return '<tr>' +
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'<td><a href="#' + n.id + '" class="tt">' + n.label + '</a></td>' +
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'<td>' + n.peers.length + '</td></tr>';
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}).join('') +
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'</table>';
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$('#node-info').html(html);
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}
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function mousePos(e) {
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var rect = canvas.getBoundingClientRect();
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return {x: e.clientX - rect.left, y: e.clientY - rect.top};
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}
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$(document).ready(function() {
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canvas = document.getElementById('map');
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ctx = canvas.getContext('2d');
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updateCanvasSize();
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jQuery.getJSON('/static/graph.json', function(data) {
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nodes = data.nodes;
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edges = data.edges;
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// Calculate node radiuses
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for (var i = 0; i < nodes.length; ++i) {
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var node = nodes[i];
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node.x = node.x * 1.2;
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node.y = node.y * 1.2;
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node.radius = node.size;
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node.hover = false;
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node.selected = false;
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node.edges = [];
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node.peers = [];
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node.depth = 0xFFFF;
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// node.color = '#000';
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node.originalColor = node.color;
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node.textColor = node.color;
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}
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var newEdges = []
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// Find node references for edges
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for (var i = 0; i < edges.length; ++i) {
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var edge = edges[i];
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for (var n = 0; n < nodes.length; ++n) {
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if (nodes[n].id == edge.sourceID) {
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edge.sourceNode = nodes[n];
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// edge.sourceNode.edges.append(edge);
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}
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else if (nodes[n].id == edge.targetID)
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edge.targetNode = nodes[n];
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}
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if (!edge.sourceNode || !edge.targetNode)
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continue;
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edge.sourceNode.edges.push(edge);
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edge.targetNode.edges.push(edge);
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edge.sourceNode.peers.push(edge.targetNode);
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edge.targetNode.peers.push(edge.sourceNode);
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newEdges.push(edge);
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}
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edges = newEdges;
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// Set update time
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var delta = Math.round(new Date().getTime() / 1000) - data.created;
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var min = Math.floor(delta / 60);
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var sec = delta % 60;
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$('#update-time').text(min + ' min, ' + sec + ' s ago');
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// Set stats
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$('#number-of-nodes').text(nodes.length);
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$('#number-of-connections').text(edges.length);
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if (window.location.hash) {
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var id = window.location.hash.substring(1);
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var node = searchNode(id);
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if (node) selectNode(node, false);
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}
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drawNetwork();
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$(window).resize(function() {
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updateCanvasSize();
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drawNetwork();
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});
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// Initialize search
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var searchArray = [];
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for (var i = 0; i < nodes.length; ++i) {
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var node = nodes[i];
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searchArray.push({
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value: node.label,
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data: node
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});
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searchArray.push({
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value: node.id,
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data: node
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});
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}
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$('#search-box').autocomplete({
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lookup: searchArray,
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autoSelectFirst: true,
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lookupLimit: 7,
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onSelect: function(suggestion) {
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selectNode(suggestion.data, true);
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}
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});
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$('#search-box').keypress(function(e) {
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if (e.which == 13) {
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selectNode(searchNode($('#search-box').val()), true);
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}
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});
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$(document).on('click', '#node-info a', function(e) {
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var id = e.target.hash.substring(1);
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selectNode(searchNode(id), true);
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});
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});
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var mouseDownPos = null;
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var mouseLastPos = null;
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var mouseDownNode = null;
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var mouseHoverNode = null;
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$(canvas).mousemove(function(e) {
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var mouse = mousePos(e);
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// Dragging
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if (mouseDownPos != null) {
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$('body').css('cursor', 'move');
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var dx = mouse.x - mouseLastPos.x;
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var dy = mouse.y - mouseLastPos.y;
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mapOffset.x += dx;
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mapOffset.y += dy;
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ctx.translate(dx, dy);
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mouseLastPos = {x: mouse.x, y: mouse.y};
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drawNetwork();
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}
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// Hovering
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else {
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var node = getNodeAt(mouse.x, mouse.y);
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if (node == mouseHoverNode)
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return;
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if (node == null) {
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nodeMouseOut(mouseHoverNode);
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}
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else {
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if (mouseHoverNode != null)
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nodeMouseOut(mouseHoverNode);
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nodeMouseIn(node);
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}
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mouseHoverNode = node;
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drawNetwork();
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}
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});
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$(canvas).mousedown(function(e) {
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var mouse = mousePos(e);
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mouseLastPos = mouseDownPos = {x: mouse.x, y: mouse.y};
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mouseDownNode = getNodeAt(mouse.x, mouse.y);
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return false;
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});
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$(canvas).mouseup(function(e) {
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var mouse = mousePos(e);
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var mouseMoved =
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Math.abs(mouse.x - mouseDownPos.x) +
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Math.abs(mouse.y - mouseDownPos.y) > 3
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if (!mouseMoved) {
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if (mouseDownNode)
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selectNode(mouseDownNode, true);
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else {
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clearNodes();
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drawNetwork();
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}
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}
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else {
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$('body').css('cursor', 'auto');
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}
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mouseDownPos = null;
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mouseDownNode = null;
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return false;
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});
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function handleScroll(e) {
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var mouse = mousePos(e);
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var delta = Math.max(-1, Math.min(1, (e.wheelDelta || -e.detail)));
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var ratio = (delta < 0) ? (3 / 4) : 1 + (1 / 3);
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var mx = mouse.x - mapOffset.x;
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var my = mouse.y - mapOffset.y;
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zoom *= ratio;
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for (var i = 0; i < nodes.length; ++i) {
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var node = nodes[i];
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node.x = (node.x - mx) * ratio + mx;
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node.y = (node.y - my) * ratio + my;
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// node.x *= ratio;
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// node.y *= ratio;
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// node.radius *= ratio;
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node.radius = (node.size) * zoom;
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}
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drawNetwork();
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}
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canvas.addEventListener("mousewheel", handleScroll, false);
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canvas.addEventListener("DOMMouseScroll", handleScroll, false);
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});
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function nodeMouseIn(node) {
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node.hover = true;
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$('body').css('cursor', 'pointer');
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}
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function nodeMouseOut(node) {
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node.hover = false;
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$('body').css('cursor', 'auto');
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}
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