olorin/lib/connection.js

CoffeeScript Myo Bindings

var Connection, WebSocket, events, _,
  __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; },
  __hasProp = {}.hasOwnProperty,
  __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };

_ = require('underscore');

events = require('./events');

WebSocket = require('ws');

Connection = (function(_super) {
  __extends(Connection, _super);

  function Connection(configuration) {
    this.onMessage = __bind(this.onMessage, this);
    Connection.__super__.constructor.apply(this, arguments);
    this.configuration = _.extend({}, this.defaultConfiguration, configuration);
    this.url = this.configuration.socketUrl + this.configuration.apiVersion;
    this.socket = new this.SocketClass(this.configuration.socketUrl);
    console.log('socket', this.socket);
    this.socket.onmessage = this.onMessage;
  }

  Connection.prototype.SocketClass = WebSocket;

  Connection.prototype.defaultConfiguration = {
    socketUrl: "ws://127.0.0.1:10138/myo/",
    apiVersion: 1
  };

  Connection.prototype.messageTypes = {
    event: 'event'
  };

  Connection.prototype.onMessage = function(message) {
    var data, eventData, messageType;
    data = JSON.parse(message.data);
    messageType = data[0];
    eventData = data[1];
    if (messageType !== this.messageTypes.event) {
      throw new Error('Unknown message received: ' + message.toString());
    }
    return this.trigger('message', messageType, eventData);
  };

  Connection.prototype.close = function() {
    return this.socket.close();
  };

  return Connection;

})(events.Events);

_.extend(exports, {
  Connection: Connection
});

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