proteus-js-client/dist/frames/BinaryFraming.js

Proteus JavaScript Client

/**
 * Copyright (c) 2017-present, Netifi Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * 
 */

'use strict';

/* eslint-disable consistent-return, no-bitwise */

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

var _Frame = require('./Frame');

var _FrameHeaderFlyweight = require('./FrameHeaderFlyweight');

var _BrokerSetupFlyweight = require('./BrokerSetupFlyweight');

var _DestinationSetupFlyweight = require('./DestinationSetupFlyweight');

var _GroupFlyweight = require('./GroupFlyweight');

var _BroadcastFlyweight = require('./BroadcastFlyweight');

var _ShardFlyweight = require('./ShardFlyweight');

var _invariant = require('fbjs/lib/invariant');

var _invariant2 = _interopRequireDefault(_invariant);

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

/**
 * Convert the frame to a (binary) buffer.
 */
function encodeFrame(frame) {
  switch (frame.type) {
    case _Frame.FrameTypes.BROKER_SETUP:
      return (0, _BrokerSetupFlyweight.encodeBrokerSetupFrame)(frame);
    case _Frame.FrameTypes.DESTINATION_SETUP:
      return (0, _DestinationSetupFlyweight.encodeDestinationSetupFrame)(frame);
    case _Frame.FrameTypes.GROUP:
      return (0, _GroupFlyweight.encodeGroupFrame)(frame);
    case _Frame.FrameTypes.BROADCAST:
      return (0, _BroadcastFlyweight.encodeBroadcastFrame)(frame);
    case _Frame.FrameTypes.SHARD:
      return (0, _ShardFlyweight.encodeShardFrame)(frame);
    default:
      (0, _invariant2.default)(false, 'ProteusBinaryFraming: Unsupported frame type `%s`.', (0, _Frame.getFrameTypeName)(frame.type));
  }
}

/**
 * Read a frame from the buffer.
 */
function decodeFrame(buffer) {
  var majorVersion = (0, _FrameHeaderFlyweight.getMajorVersion)(buffer);
  var minorVersion = (0, _FrameHeaderFlyweight.getMinorVersion)(buffer);
  var type = (0, _FrameHeaderFlyweight.getFrameType)(buffer);

  switch (type) {
    case _Frame.FrameTypes.BROKER_SETUP:
      return (0, _BrokerSetupFlyweight.decodeBrokerSetupFrame)(buffer, majorVersion, minorVersion);
    case _Frame.FrameTypes.DESTINATION_SETUP:
      return (0, _DestinationSetupFlyweight.decodeDestinationSetupFrame)(buffer, majorVersion, minorVersion);
    case _Frame.FrameTypes.GROUP:
      return (0, _GroupFlyweight.decodeGroupFrame)(buffer, majorVersion, minorVersion);
    case _Frame.FrameTypes.BROADCAST:
      return (0, _BroadcastFlyweight.decodeBroadcastFrame)(buffer, majorVersion, minorVersion);
    case _Frame.FrameTypes.SHARD:
      return (0, _ShardFlyweight.decodeShardFrame)(buffer, majorVersion, minorVersion);
    default:
      (0, _invariant2.default)(false, 'ProteusBinaryFraming: Unsupported frame type `%s`.', (0, _Frame.getFrameTypeName)(type));
  }
}