migme-ferry/lib/packets/packet.js

Ferry transports packets to and from fusion/fission

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _packetFields = require('./packet-fields');

var _packetFields2 = _interopRequireDefault(_packetFields);

var _transactions = require('../data/transactions');

var _transactions2 = _interopRequireDefault(_transactions);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

var Packet = function () {
  function Packet() {
    var type = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
    var fields = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};

    _classCallCheck(this, Packet);

    this.type = type;
    this.transactionId = _transactions2.default.getNextTransactionId();
    this.createTime = Date.now();
    this.sentTime = null;
    this.retryCount = 0;
    this.setFields(fields);
  }

  _createClass(Packet, [{
    key: 'setSentTime',
    value: function setSentTime(timestamp) {
      this.sentTime = timestamp;
    }
  }, {
    key: 'updateRetryCount',
    value: function updateRetryCount() {
      this.retryCount += 1;
    }
  }, {
    key: 'setFields',
    value: function setFields() {
      var _this = this;

      var fields = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};

      this.fields = Object.keys(fields).map(function (key) {
        if (_packetFields2.default[_this.type].hasOwnProperty(key) && fields[key] !== null && typeof fields[key] !== 'undefined') {
          return _defineProperty({}, key, fields[key]);
        }
        return null;
      }).filter(function (i) {
        return i !== null;
      }).reduce(function (l, c) {
        return Object.assign({}, l, c);
      }, {});

      return this;
    }
  }, {
    key: 'fromJSON',
    value: function fromJSON(json) {
      var _this2 = this;

      this.type = parseInt(json.T, 10) || 0;
      this.transactionId = parseInt(json.I, 10) || 1;
      this.fields = json.F ? Object.keys(json.F).map(function (key) {
        var fields = _packetFields2.default[_this2.type];
        var fieldName = Object.keys(fields).find(function (field) {
          return fields[field] === parseInt(key, 10);
        });
        return _defineProperty({}, fieldName, json.F[key]);
      }).reduce(function (l, c) {
        return Object.assign({}, l, c);
      }, {}) : {};
      return this;
    }
  }, {
    key: 'toJSON',
    value: function toJSON() {
      var _this3 = this;

      var json = {};
      json.T = this.type;
      json.I = this.transactionId;

      if (Object.keys(this.fields).length) {
        json.F = Object.keys(this.fields).map(function (key) {
          return _defineProperty({}, _packetFields2.default[_this3.type][key], _this3.fields[key]);
        }).reduce(function (l, c) {
          return Object.assign({}, l, c);
        }, {});
      }

      return json;
    }
  }]);

  return Packet;
}();

exports.default = Packet;
module.exports = exports['default'];