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Openai/692451a2-4ecc-800b-b601-8d7b09eea462
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==== 三、进一步学习建议 ==== # 深入理解 TCP 三次握手与四次挥手 - 尤其是 close() 时父子进程 FD 引用计数对连接释放的影响。 - 实践:写一个多客户端服务器,用 fork() 或 select(),观察连接关闭时的行为。 # 练习字节流处理 - 用 C 语言实现一个简单的聊天程序,刻意发送大数据包,让你体验 recv() 多次读取的必要性。 - 研究 MSG_PEEK、非阻塞模式、select/poll 的使用。 # DNS 与多地址选择 - 写一个客户端尝试循环 connect 多个 IP,记录成功率与延迟。 - 探索 IPv4/IPv6 双栈环境下的 connect 策略。 # 多客户端服务器优化 - 学习 fork() 模型的替代方案:多线程、epoll/async IO,提高服务器可扩展性。 - 尝试端口重用 (SO_REUSEADDR) 和 TIME_WAIT 状态优化。 # 协议分析工具 - 使用 Wireshark 或 tcpdump 抓包,观察 send/recv、三次握手、关闭连接的真实 TCP 报文。 - 理解应用层和传输层数据的对应关系。 哥们,如果你愿意,我可以帮你设计一个小练习项目,让你把这些知识点都用上,从服务器端多客户端管理、TCP 字节流处理,到客户端多地址连接策略,一次性练透。 你想让我帮你设计吗?
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