53 lines
969 B
JavaScript
53 lines
969 B
JavaScript
/*!
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* workers.js - worker processes for bcoin
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* Copyright (c) 2014-2015, Fedor Indutny (MIT License)
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* Copyright (c) 2014-2017, Christopher Jeffrey (MIT License).
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* https://github.com/bcoin-org/bcoin
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*/
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'use strict';
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const EventEmitter = require('events').EventEmitter;
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const util = require('../utils/util');
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const StaticWriter = require('../utils/staticwriter');
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/**
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* Framer
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* @alias module:workers.Framer
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* @constructor
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*/
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function Framer() {
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if (!(this instanceof Framer))
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return new Framer();
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EventEmitter.call(this);
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}
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util.inherits(Framer, EventEmitter);
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Framer.prototype.packet = function _packet(packet) {
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let size = 10 + packet.getSize();
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let bw = new StaticWriter(size);
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let data;
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bw.writeU32(packet.id);
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bw.writeU8(packet.cmd);
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bw.seek(4);
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packet.toWriter(bw);
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bw.writeU8(0x0a);
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data = bw.render();
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data.writeUInt32LE(data.length - 10, 5, true);
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return data;
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};
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/*
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* Expose
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*/
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module.exports = Framer;
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