本文实例讲述了php实现TCP端口检测的方法。分享给大家供大家参考。具体如下:
该程序可以确认当前端口是否可用:
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
|
<?php
class Health {
public static $status ;
public function __construct()
{
}
public function check( $ip , $port ){
$sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
socket_set_nonblock( $sock );
socket_connect( $sock , $ip , $port );
socket_set_block( $sock );
self:: $status = socket_select( $r = array ( $sock ), $w = array ( $sock ), $f = array ( $sock ), 5);
return (self:: $status );
}
public function checklist( $lst ){
}
public function status(){
switch (self:: $status )
{
case 2:
echo "Closed\n" ;
break ;
case 1:
echo "Openning\n" ;
break ;
case 0:
echo "Timeout\n" ;
break ;
}
}
}
$ip = '192.168.2.10' ;
$port =80;
$health = new Health();
$health ->check( $ip , $port );
$health ->status();
|
希望本文所述对大家的php程序设计有所帮助。