| '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 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) |
| |
| module.exports = { |
| uid, |
| staticPropertyDescriptors, |
| states, |
| opcodes, |
| maxUnsigned16Bit, |
| parserStates, |
| emptyBuffer |
| } |
