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初始化过程: 关键:socket==>bind ==> listen;定义listen_fd = socket(AF_INET, SOCK_STREAM, 0) 配置socket套接字数据结构 绑定地址:bind(listen_fd, (SA *)&serveraddr, sizeof(serveraddr)); 设置监听:listen(listen_fd, max_lsn);创建一个循环监视:while(1)循环实现:1、设置读写文件描述符集合readfs;(初始化可设置一... 阅2059 转8 评0 公众公开 12-04-19 11:11 |
下面的代码,一搜就找到了:iph->check = 0; iph->check = ip_fast_csum((unsigned char *)iph, iph->ihl);th->check = tcp_v4_check(th, size, iph->saddr, iph->daddr, csum_partial((char *)th , doff , nskb->csum));iph->protocol, csum_partial(sk->h.raw, doff, sk->csum) );iph = skb->nh.iph;csum =... 阅5863 转10 评0 公众公开 08-11-24 17:19 |