能解析cap文件并发送原始数据报文,并进行统计
片段:
static int send_init(socket_message_t *socket_msg, char *dev_name)
{	
	memset(&socket_msg->addr, 0, sizeof(struct sockaddr_ll));
	
	if(-1 == (socket_msg->sd = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_IP)))){   //创建套接字  SOCK_RAW为原始套接字 
		return -2;
	}
	
	socket_msg->addr.sll_ifindex = inject_pkt_interface_index(socket_msg->sd, dev_name); //获取eth0接口的序号
	if(socket_msg->addr.sll_ifindex < 1) {
		return -3;
	}
	return 0;
}
                                    
                                    
                                        
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