1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
'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
* @type {'258EAFA5-E914-47DA-95CA-C5AB0DC85B11'}
*/
const uid = '258EAFA5-E914-47DA-95CA-C5AB0DC85B11'
/**
* @type {PropertyDescriptor}
*/
const staticPropertyDescriptors = {
enumerable: true,
writable: false,
configurable: false
}
/**
* The states of the WebSocket connection.
*
* @readonly
* @enum
* @property {0} CONNECTING
* @property {1} OPEN
* @property {2} CLOSING
* @property {3} CLOSED
*/
const states = {
CONNECTING: 0,
OPEN: 1,
CLOSING: 2,
CLOSED: 3
}
/**
* @readonly
* @enum
* @property {0} NOT_SENT
* @property {1} PROCESSING
* @property {2} SENT
*/
const sentCloseFrameState = {
SENT: 1,
RECEIVED: 2
}
/**
* The WebSocket opcodes.
*
* @readonly
* @enum
* @property {0x0} CONTINUATION
* @property {0x1} TEXT
* @property {0x2} BINARY
* @property {0x8} CLOSE
* @property {0x9} PING
* @property {0xA} PONG
* @see https://datatracker.ietf.org/doc/html/rfc6455#section-5.2
*/
const opcodes = {
CONTINUATION: 0x0,
TEXT: 0x1,
BINARY: 0x2,
CLOSE: 0x8,
PING: 0x9,
PONG: 0xA
}
/**
* The maximum value for an unsigned 16-bit integer.
*
* @type {65535} 2 ** 16 - 1
*/
const maxUnsigned16Bit = 65535
/**
* The states of the parser.
*
* @readonly
* @enum
* @property {0} INFO
* @property {2} PAYLOADLENGTH_16
* @property {3} PAYLOADLENGTH_64
* @property {4} READ_DATA
*/
const parserStates = {
INFO: 0,
PAYLOADLENGTH_16: 2,
PAYLOADLENGTH_64: 3,
READ_DATA: 4
}
/**
* An empty buffer.
*
* @type {Buffer}
*/
const emptyBuffer = Buffer.allocUnsafe(0)
/**
* @readonly
* @property {1} text
* @property {2} typedArray
* @property {3} arrayBuffer
* @property {4} blob
*/
const sendHints = {
text: 1,
typedArray: 2,
arrayBuffer: 3,
blob: 4
}
module.exports = {
uid,
sentCloseFrameState,
staticPropertyDescriptors,
states,
opcodes,
maxUnsigned16Bit,
parserStates,
emptyBuffer,
sendHints
}
|
