基于socket的TCP应用.docx 实验七 TCP/IP 协议的应用 【实验目的】 了解和掌握基于 socket的网络编程技术,开发基于 socket的网络应用。 【实验内容】 了解应用编程接口 API,掌握基于 socket 的网络编程的原理,开发利用 socket 的 TCP文件传输应用程序。该应用需要具备的功能以及实现的要点描述如下: 1.该程序应该包括服务器应用程序以及客户应用程序。 2.用户需要身份验证。即对于客户端来说,无论是上传文件,还是下载文件,首 先需要做的事情是登陆服务器,得到服务器的验证。 若验证成功,即可与服务 器之间开始传输文件。若验证失败,服务器则返回错误信息。错误信息包括, 用户名错误,密码错误等。 3.理解文件传输的原理。所谓文件传输,对于发送端来说,实质是将数据读入发 送缓存再将其发送。对于接收端来说,实质是从接收缓存里读取数据并将其写 入到指定的位置。…
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