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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);
}
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
});
}
}
}
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}
value={this.state.octets[octet]}
/>
<span className="dot">{octet == '3' ? '/' : '.'}</span>
</span>
))}
<input
className="cidr"
type="text"
data-octet="cidr"
onChange={this.handleChange}
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'));
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