A simple TCP/UDP socket test interface built with QT5.
Users can select among TCP server, TCP client, and UDP modes in this program.
In TCP sever mode, this program listens to the port specified by the user through TCP sockets.
In TCP client mode, this program connects to the IP address specified by the user throught TCP sockets.
In UDP mode, this program listens to the port specified by the user through UDP sockets.