TCP UDP socket通信以及event driven 实现-The TCP UDP socket communication as well as event driven implementation

实现基本的socket通信功能，分为服务器和客户端两部分，客户端启动时可以在系统参数处指定要连接的服务器地址。模拟UDP协议，完成最简单的数据包传递与回送。-Achieve basic socket communication functions, is divided into two parts, the server and client, you can specify the server address to connect to the system parameters at t

linux udp编程实例，演示udp的编程方法-example of udp socket program, example udp program method