//发送socket数据
function socket_service($ip, $port=’80′, $out=”")
{
if(trim($ip)==”")return “Error: without dest host!”;
if($out==”) $out=”GET / HTTP/1.1\r\nHost: $ip\r\n\r\n”;
$sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
$sourceips['internal'] = ‘6.4.10.9′;
$sourceips['external'] = ‘6.4.10.9′;
socket_bind($sock, $sourceips['internal']);
socket_connect($sock, $ip, $port);
socket_write($sock, $out);
$return=socket_read($sock,100000);
socket_close($sock);
return $return;
}
//更新url指定的文件cache
function purgeFile($url)
{
$squid_dv=array(”1.5.5.6″,”6.6.8.8″);//两个前端squid
$request=”PURGE $url \n”;
foreach($squid_dv as $key => $ip)
{
$result=socket_service($ip,80,$request);
}
}