php 中操作tcp 与SOCKET函数实例

2016-06-08 17:25:51原创800

//创建socket服务
$c=stream_socket_server("tcp://127.0.0.1:1100");
while(1)
{
if(is_resource($a=stream_socket_accept($c)))
{
//do something time-consuming
//获取网络socket名称
if(stream_socket_get_name($a,true)!==false)
{
fwrite($a,"regards form berlin");
}
}
}

//

//创建两个无区别的socket数据流连接
$sockets=stream_socket_pair(stream_pf_unix,stream_sock_stream,stream_ipproto_ip);
//创建子进程并返回其pid
$pid=pcntl_fork();
if($pid==-1)
{
//如果没有子进程
die('could not fork');
}
else if($pid)
{
/*父进程*/
fclose($sockets[0]);
fwrite($sockets[1], "child pid: $pidn");
echo fgets($sockets[1]);
fclose($sockets[1]);
}
else
{
/*子进程*/
fclose($sockets[1]);
fwrite($sockets[0], "message from childn");
echo fgets($sockets[0]);
fclose($sockets[0]);
}

//

/*打开一个socket服务端*/
$server=stream_socket_server('tcp://127.0.0.1:1234');
/*接受一个连接*/
$socket=stream_socket_accept($server);
/*获取数据*/
echo "received out-of-band:'".stream_socket_recvfrom($socket,1500,stream_oob)."'n";
/*使用peek获取数据*/
echo "data:'".stream_socket_recvfrom($socket,1500,stream_peek)."'n";
/*正常获取数*/
echo "data:'".stream_socket_recvfrom($socket,1500)."'n";
/*关闭socket*/
fclose($socket);
fclose($server);

//

/*打开一个socket客户端*/
$socket=stream_socket_client('tcp://127.0.0.1:1234');
/*发送正常数据*/
fwrite($socket,"normal data transmit.");
/*发送更多的数据*/
stream_socket_sendto($socket,"out of band data.",stream_oob);
/*关闭socket*/
fclose($socket);

//

//创建服务端
$socket=stream_socket_server("tcp://0.0.0.0:8000",$errno,$errstr);
//如果创建失败
if(!$socket)
{
echo "$errstr ($errno)
n";
}
//如果创建成功
else
{
//接受连接
while($conn=stream_socket_accept($socket))
{
//写入数据
fwrite($conn,'the local time is '.date('n/j/y g:i a')."n");
//关闭连接
fclose($conn);
}
//关闭socket
fclose($socket);
}

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