layer0.cc

omnet++ 平台下的flood 我弄了好久

#include"layer0.h"

void layer0::initialize()
 {


 }

void layer0::activity()

  {
     while(1) 
    {
         cMessage *msg=receive();
	  
          switch(msg->kind())
          {
               case M_NODE://信息来自别的点 设置消息类型为m_lowhigh 然后通过uppergate-out发送
               { msg->setKind(M_LOWHIGH);
		  send(msg,"uppergate_out");
		   break;
	       }

		case M_HIGHLOW://信息来自更高层layer 设置消息类型为m_node
		{
                   msg->setKind(M_NODE);
		   for(int i=0;i<MAXCONN;i++)//复制消息，发送至所有的门
                     {
  			cGate *tmpagte=parentModule()->gate("out",i);
			if(tmpgate==NULL)
			continue;
			if(tmpgate->toGate()!=NULL)
                   	{
			 //若门有链接，发送消息 通lowergate_out门发送出去
			   cMessage *tmpmsg=new cMessage(* msg);
			   send(tmpmsg,"lowergate_out",i);
			}		
		     }
		  delete msg;
                    break;//与书上不一致 p139
                  }
	   default:
           ev<<"laye0()::activity()error:unknow message receivde\n";
           endSimulation();     
          }
        }
  }