Drawing a basic mCord Topology
diff --git a/views/ngXosViews/mcordTopology/src/js/main.js b/views/ngXosViews/mcordTopology/src/js/main.js
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+++ b/views/ngXosViews/mcordTopology/src/js/main.js
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+'use strict';
+
+angular.module('xos.mcordTopology', [
+ 'ngResource',
+ 'ngCookies',
+ 'ngLodash',
+ 'ui.router',
+ 'xos.helpers'
+])
+.config(($stateProvider) => {
+ $stateProvider
+ .state('topology', {
+ url: '/',
+ template: '<m-cord-topology></m-cord-topology>'
+ });
+})
+.config(function($httpProvider){
+ $httpProvider.interceptors.push('NoHyperlinks');
+})
+.directive('mCordTopology', function(){
+ return {
+ restrict: 'E',
+ scope: {},
+ bindToController: true,
+ controllerAs: 'vm',
+ template: '',
+ controller: function($element, $window, XosApi, lodash, TopologyElements, NodeDrawer){
+
+ const el = $element[0];
+
+ let nodes = TopologyElements.nodes;
+ let links = TopologyElements.links;
+
+ const filterBBU = (instances) => {
+ return lodash.filter(instances, i => i.name.indexOf('BBU') >= 0);
+ };
+
+ const filterOthers = (instances) => {
+ return lodash.filter(instances, i => {
+ return (i.name.indexOf('MME') >= 0)
+ || (i.name.indexOf('SGW') >= 0)
+ || (i.name.indexOf('PGW') >= 0)
+ });
+ };
+
+ // retrieving instances list
+ XosApi.Instance_List_GET()
+ .then((instances) => {
+ addBbuNodes(filterBBU(instances));
+ addOtherNodes(filterOthers(instances));
+ draw(svg, nodes, links);
+ })
+ .catch((e) => {
+ throw new Error(e);
+ });
+
+ const force = d3.layout.force();
+
+ // create svg elements
+ const svg = d3.select(el)
+ .append('svg')
+ .style('width', `${el.clientWidth}px`)
+ .style('height', `${el.clientHeight}px`);
+
+
+ let hStep = el.clientWidth / 3;
+ let vStep = el.clientHeight / 5;
+
+ // replace human readable ids with d3 ids
+ const buildLinks = (links, nodes) => {
+ return links.map((l) => {
+ let source = lodash.findIndex(nodes, {id: l.source});
+ let target = lodash.findIndex(nodes, {id: l.target});
+ return {
+ source: source,
+ target: target,
+ value: 1
+ };
+
+ });
+ };
+
+ // find fabric nodes and center horizontally
+ const positionFabricNodes = (nodes) => {
+ return lodash.map(nodes, n => {
+ if(n.type !== 'fabric'){
+ return n;
+ }
+
+ n.x = n.x * hStep;
+ n.y = n.y * vStep;
+
+ return n;
+ });
+ };
+
+ const addBbuNodes = (instances) => {
+
+ // calculate bbu hStep
+ let bbuHStep = ((el.clientWidth / 2) / (instances.length + 1));
+
+ // create nodes
+ let bbuNodes = instances.map((n, i) => {
+ return {
+ type: 'bbu',
+ name: n.name,
+ id: `bbu-${n.id}`,
+ fixed: true,
+ y: vStep * 3,
+ x: bbuHStep * (i + 1)
+ };
+ });
+
+ // create links
+ let bbuLinks = bbuNodes.map(n => {
+ return {
+ source: n.id,
+ target: 'fabric2'
+ };
+ });
+
+ // fake RRU nodes and links
+ instances.forEach((n, i) => {
+ bbuNodes.push({
+ type: 'rru',
+ name: 'rru',
+ id: `rru-${n.id}`,
+ fixed: true,
+ y: vStep * 4,
+ x: bbuHStep * (i + 1)
+ });
+
+ bbuLinks.push({
+ source: `rru-${n.id}`,
+ target: `bbu-${n.id}`
+ });
+ })
+
+ nodes = nodes.concat(bbuNodes);
+ links = links.concat(bbuLinks);
+ };
+
+ // add MME, PGW, SGW nodes
+ const addOtherNodes = (instances) => {
+ let hStep = ((el.clientWidth / 2) / (instances.length + 1));
+
+ // create nodes
+ let otherNodes = instances.map((n, i) => {
+ return {
+ type: n.name.substring(0, 3),
+ name: n.name,
+ id: `${n.name.substring(0, 3)}-${n.id}`,
+ fixed: true,
+ y: vStep * 3,
+ x: (el.clientWidth / 2) + (hStep * (i + 1))
+ };
+ });
+
+ // create links
+ let otherLinks = otherNodes.map(n => {
+ return {
+ source: n.id,
+ target: 'fabric4'
+ };
+ });
+
+ nodes = nodes.concat(otherNodes);
+ links = links.concat(otherLinks);
+ }
+
+ // NOTE nodes get dublicated
+ const draw = (svg, nodes, links) => {
+
+ links = buildLinks(links, nodes);
+
+ nodes = positionFabricNodes(nodes);
+
+ // start force layout
+ force
+ .nodes(nodes)
+ .links(links)
+ .size([el.clientWidth, el.clientHeight])
+ .charge(-20)
+ .chargeDistance(200)
+ .linkDistance(80)
+ .linkStrength(0.1)
+ .start();
+
+ // draw links
+ var link = svg.selectAll('.link')
+ .data(links)
+ .enter().append('line')
+ .attr({
+ class: 'link',
+ });
+
+ //draw nodes
+ var node = svg.selectAll('.node')
+ .data(nodes, d => {
+ return d.id
+ });
+
+ // append a group for any new node
+ var enter = node.enter()
+ .append('g', d => d.interfaceCfgIdentifier)
+ .attr({
+ class: d => d.type,
+ transform: d => `translate(${d.x}, ${d.y})`
+ });
+
+ // draw nodes
+ NodeDrawer.drawBbus(node.filter('.bbu'))
+ NodeDrawer.drawRrus(node.filter('.rru'))
+ NodeDrawer.drawFabric(node.filter('.fabric'))
+ NodeDrawer.drawOthers(node.filter(d => {
+ return (
+ d.type === 'MME' ||
+ d.type === 'SGW' ||
+ d.type === 'PGW'
+ )
+ }));
+
+ force.on('tick', function() {
+ link
+ .attr('x1', d => d.source.x )
+ .attr('y1', d => d.source.y )
+ .attr('x2', d => d.target.x )
+ .attr('y2', d => d.target.y );
+
+ node.attr('transform', (d) => `translate(${d.x},${d.y})`);
+ });
+ };
+
+ // draw(svg, TopologyElements.nodes, TopologyElements.links);
+ }
+ };
+});
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