File: vendor/jackbooted/util/NetworkUtils.php

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File: vendor/jackbooted/util/NetworkUtils.php
Role: Class source
Content type: text/plain
Description: Class source
Class: JackBooted PHP Framework
Web application framework using simplified MVC
Author: By
Last change:
Date: 4 years ago
Size: 1,168 bytes
 

 

Contents

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<?php
namespace Jackbooted\Util;

/*
 * @copyright Confidential and copyright (c) 2016 Jackbooted Software. All rights reserved.
 *
 * Written by Brett Dutton of Jackbooted Software
 * brett at brettdutton dot com
 */

class NetworkUtils extends JB {

    public static function
whatIsMyIP () {
        return
file_get_contents( 'https://api.ipify.org' );
    }

    public static function
ping( $host, $timeout = 1) {
       
/* ICMP ping packet with a pre-calculated checksum */
       
$package = "\x08\x00\x7d\x4b\x00\x00\x00\x00PingHost";
       
$ts = microtime( true );

        if ( (
$socket = @socket_create( AF_INET, SOCK_RAW, 1 ) ) === false ) {
            die(
__METHOD__ . ' Can only be called if you are root' );
        }

       
socket_set_option( $socket, SOL_SOCKET, SO_RCVTIMEO, [ 'sec' => $timeout, 'usec' => 0 ] );
       
socket_connect( $socket, $host, null );
       
socket_send( $socket, $package, strLen($package), 0 );
        if (
socket_read( $socket, 255 ) ) {
           
$result = microtime(true) - $ts;
        }
        else {
           
$result = false;
        }
       
socket_close( $socket );
        return
$result;
    }
}


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