blob: fa4c8bc62cff02580e01288bc79fa24416877c84 (
plain)
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
127
128
129
130
|
import './style.scss';
import { Netmask } from 'netmask';
import React, { Component } from 'react';
import ReactDOM from 'react-dom';
class IPAddress extends Component {
constructor(props) {
super(props);
this.state = {
octets: [10, 88, 135, 144],
cidr: 28
};
this.handleChange = this.handleChange.bind(this);
this.handleKeyDown = this.handleKeyDown.bind(this);
}
handleChange(event) {
var octets = this.state.octets;
var val = +event.target.value.replace(/[^0-9]/g, '');
var octet = event.target.attributes['data-octet'].value;
if (octet == 'cidr') {
if (val <= 32) {
this.setState({
cidr: val
});
}
} else {
if (val <= 255) {
octets[+octet] = val;
this.setState({
octets: octets
});
}
}
}
handleKeyDown(event) {
var lowerOctetValue = 0;
var higherOctetValue = event.target.dataset.octet === 'cidr' ? 32 : 255;
if (event.key === 'ArrowDown' && event.target.value > lowerOctetValue) {
event.target.value = +event.target.value - 1;
this.handleChange(event);
}
if (event.key === 'ArrowUp' && event.target.value < higherOctetValue) {
event.target.value = +event.target.value + 1;
this.handleChange(event);
}
}
getPretty() {
return this.state.octets.join('.') + '/' + this.state.cidr;
}
render() {
var details = new Netmask(this.getPretty());
return (
<div className="ip-address">
<div className="address">
{[...Array(4)].map((x, octet) => (
<span className="octet">
<input
className="octet"
type="text"
data-octet={octet}
onChange={this.handleChange}
onKeyDown={this.handleKeyDown}
value={this.state.octets[octet]}
/>
<span className="dot">{octet == '3' ? '/' : '.'}</span>
</span>
))}
<input
className="cidr"
type="text"
data-octet="cidr"
onChange={this.handleChange}
onKeyDown={this.handleKeyDown}
value={this.state.cidr}
/>
</div>
<div className="bits">
<ol>
{[...Array(4)].map((x, octet) => (
<li className="octet">
<ol>
{[...Array(8)].map((x, bit) => (
<li
className={
octet * 8 + bit > this.state.cidr - 1
? 'bit masked'
: 'bit unmasked'
}
>
{(this.state.octets[octet] & (1 << (7 - bit))) >>
(7 - bit)}
</li>
))}
</ol>
</li>
))}
</ol>
</div>
<div className="details">
<span className="netmask">
<span className="value">{details.mask}</span>
<span className="label">Netmask</span>
</span>
<span className="first">
<span className="value">{details.first}</span>
<span className="label">First IP</span>
</span>
<span className="last">
<span className="value">{details.last}</span>
<span className="label">Last IP</span>
</span>
<span className="count">
<span className="value">{details.size.toLocaleString()}</span>
<span className="label">Count</span>
</span>
</div>
</div>
);
}
}
ReactDOM.render(<IPAddress />, document.getElementById('app'));
|
