network-collection/example/client.js

Baseline collection of graphs and network data structures using **socket.io**.

'use strict';
const client = require('socket.io-client');
const config = require('./config.json');
const Collection = require('../');
const port = config.port;
const connections = config.connections;
const Network = Collection.Network;
const Graph = Collection.Graph;
const Node = Collection.Node;
let networks = [];

let sockets = createConnections(connections);

// Force new websocket connections to the cluster.
function createConnections(n) {
  let sockets = [];
  for (var id = 0; id < n; id++) {
    sockets[id] = client('http://0.0.0.0:' + port, {
      transports: ['websocket'],
      'force new connection': true
    });
    sockets[id].on('connect', handleConnect.bind(null, sockets[id], id));
  }
  return sockets;
}

// Populate graphs and nodes with information.
function createGraphs() {
  let name;
  let graphs = {};
  let nodes = {};
  for (let i = 0; i < config.graphs; i++) {
    for (let j = 0; j < (Math.floor(Math.random() * config.items.length)); j++) {

      // Create a new Node.
      let node = new Node({
        price: Math.floor(Math.random() * config.maxValue) + 1, // Give the item a random price.
        name: config.items[Math.floor(Math.random() * config.items.length)] // Give the item a random name.
      });
      nodes[node.id] = node;
    }
    name = config.names.length > 1 ? config.names.splice(Math.floor(Math.random() * config.names.length), 1) : config.names[0];

    // Create a new Graph.
    let graph = new Graph(
      'stores', // Name the label 'stores'
      { name: name }, // Give the graph some specific data to hold
      { nodes: nodes } // Populate the graph with some predefined nodes.
    );
    graphs[graph.id] = graph;
  }
  return graphs;
}

function handleConnect(socket, id) {
  // Load the network with these models.
  let graphs = createGraphs();
  networks[id] = new Network({
    graphs: graphs,
  });

  // Connect the socket to the Cluster
  // The Cluster can then query this socket for information.
  networks[id].connect(socket, () => {
    console.log('Network connected!');
  });
}