browser/components/vanadium/state.js

// Copyright 2015 The Vanadium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

var vanadium = require('../../vanadium');
var debug = require('debug')('reader:vanadium:state');
var hg = require('mercury');
var uuid = require('uuid');

module.exports = create;

// Create state for the Vanadium component
function create(options) {
  debug('initialize state');

  var state = hg.state({
    error: hg.value(null),
    id: hg.value(null),
    status: hg.value(''),
    peers: hg.varhash({}),
    channels: {
    }
  });

  var config = {
    app: 'reader-example',
    id: uuid.v4()
  };

  vanadium(config)
  .on('error', function(err) {
    state.error.set(err);
  })
  .on('status', function(status) {
    state.status.set(status);
  })
  .on('name', function(name) {
    state.id.set(name);
  })
  .on('connect', function(name, service) {
    debug('connect :D %s %o', name, service);
    // NOTE: objects in the varhash might be better off as components depending
    // on how they need to be interacted with...
    state.peers.put(name, service);
  });

  return state;
}