限速代码 (转CSDN贴)

  if(isClient)
      {
          if(!b)
          {    
              t=clock();
              b=true;
              
          }
          
          nowTime=clock();
          all+=(sock->reads.size)*0.7;
          if((nowTime-t)>1000)
          {
              double fall=all;
              double avg=fall/(nowTime-t);  
              printf("avg=%f,%f,%f\n",avg,fall,(nowTime-t)/1000.0);
              
              all=0;
              if(avg>lim)
              {
                  t=clock();
                  Sleep(1000*(avg-lim)/lim);
                  
              }
            else
                 t=clock();
          }
        
        }

 

出处:http://topic.csdn.net/u/20090424/17/8a732a9e-9f8e-46c5-a8b6-9dfcf903eb86.html?43395