echo "server: handshake success with fd{$request->fd}\n";
   $_SESSION['group'][$request->fd]=$request->fd;
   
});

$server->on('message', function (swoole_websocket_server $server, $frame) {
   
   echo "receive from {$frame->fd}:{$frame->data},opcode:{$frame->opcode},fin:{$frame->finish}\n";
   $arr=array_unique($_SESSION['group']);
   $data=json_decode($frame->data,true);
 
   if (is_array($arr)){
       foreach ($arr as $key=>$row){
             
             $server->push($row, json_encode(array('name'=>$data['name'],'type'=>$data['type'],'info'=>$data['info'])));
       }                  
   }else{