text: #include "send_recv.h"
  
  int main(int argc, char *argv[])
  {
  	char send_payload[2000];
  	char recv_payload[2000]="";
  	FILE *fp;
  	fp = fopen("send_content.txt","r");
  	fgets(send_payload,1450,fp);
  
  	char bpf_recv_s[100]="(dst net 192.168.40.146) && (ip proto 252)";//"dst net 192.168.40.147";
  	char bpf_send_s[100]="192.168.40.145";
  
  while(1){
  
  	recv_packet(send_payload,1000, bpf_recv_s);
  	printf("receiver---ok---\n");
  
  	sleep(5);
  	send_packet(send_payload,1, bpf_send_s);
  	printf("finish one time receiver\n");
  }
  	
          return 0;
  } 
  