dpaw-monorail-plugin/src/relay-driver.js

JS library to link the brocket network to the QGIS/monorail server

/**
 * @fileOverview
 * @name relay-driver.js
 * @author Gavin Coombes
 * @license BSD-3-Clause
 *
 */

let Rx = require('rx');
let Relay = require('dpaw-brocket-relay');
let u = require('dpaw-brocket-utility');
let log = u.log;

function makeRelayDriver(opts) {

  let relay = Object.create(Relay);
  let relayOpts = {
    baseAddr: "wss://brocket.dpaw.wa.gov.au",
    channel: 'dendrite',
    appID: 'monorail',
    userID: 'gavinco'
  };
  relay.init(relayOpts);
  // relay.on('message', msg => log('monorail.plugin received msg', msg));
  // relay.on('dispatch', msg => log('monorail.plugin dispatched msg', msg));
  // relay.subscribe(msg => log('Monorail.plugin: Subscriber received msg ', msg));
  relay.connect();
  relay.on('pub/open', () => {
    relay.dispatch({tag: 'wrapped', payload: {tag: 'unwrapped', payload: 'kaboom'}});
    log('Pub channel open');
  });

  function relayDriver(outgoing$) {
    outgoing$.subscribe( msg => relay.dispatch(msg) );
    log('Monorail.relayDriver: has relay', relay);
    let incoming$ = relay.message$
          .filter( v => !u.isUndefined(v) )
          .filter( msg => msg.tag.search(/beat/) < 0 ) // dont want beat
          .share();
    return incoming$;
  }

  return relayDriver;

}

module.exports = makeRelayDriver;