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