59 lines
979 B
JavaScript
59 lines
979 B
JavaScript
'use strict'
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// This is a Globally Unique Identifier unique used
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// to validate that the endpoint accepts websocket
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// connections.
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// See https://www.rfc-editor.org/rfc/rfc6455.html#section-1.3
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const uid = '258EAFA5-E914-47DA-95CA-C5AB0DC85B11'
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/** @type {PropertyDescriptor} */
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const staticPropertyDescriptors = {
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enumerable: true,
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writable: false,
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configurable: false
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}
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const states = {
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CONNECTING: 0,
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OPEN: 1,
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CLOSING: 2,
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CLOSED: 3
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}
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const sentCloseFrameState = {
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NOT_SENT: 0,
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PROCESSING: 1,
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SENT: 2
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}
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const opcodes = {
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CONTINUATION: 0x0,
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TEXT: 0x1,
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BINARY: 0x2,
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CLOSE: 0x8,
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PING: 0x9,
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PONG: 0xA
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}
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const maxUnsigned16Bit = 2 ** 16 - 1 // 65535
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const parserStates = {
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INFO: 0,
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PAYLOADLENGTH_16: 2,
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PAYLOADLENGTH_64: 3,
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READ_DATA: 4
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}
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const emptyBuffer = Buffer.allocUnsafe(0)
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module.exports = {
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uid,
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sentCloseFrameState,
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staticPropertyDescriptors,
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states,
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opcodes,
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maxUnsigned16Bit,
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parserStates,
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emptyBuffer
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}
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