Several chat clients will be able to chat between themselves and send files to one another through the chat server, which communicates with a TFTP client and a TFTP server.

• TFTP Server - handles the request by using the TFTPConnectionHandler (It can receive WRITE_REQ, READ_REQ, depending on the type of operation: upload, download)

• TFTP Client - the middleware between the chat server (MyServer class) and the TFTPServer; from the chat client request (MyClient), it goes to the MyServer and then it is sent to the TFTP Client, where the request to the TFTPServer is built as a datagram and sent through UDP

• MyServer - the chat server, which handles the connections with clients; it is a multi-threaded server. When a client connects, it creates a new thread to communicate with him

• MyClient - has a thread for sending messages to the server and a thread for receiving them;

• ProgressBarTest - a Java Swing Interface which is directly connected to the TFTP Server and shows the current progress for upload & download and the available files on server

• send messages between clients as a group chat

• upload a file on the server

    upload <path_to_file>
  

• download a file from the server

    download <filename> <path_to_save_folder_filename>
  

• list all current files available on the server

    list
  

• receive help from a "BOT" about the possible commands

    help
  

• use the keyword "bye" to close the connection

    bye
  

• compile the project

• run TFTPServer

• run MyServer

• run MyClient as many times as you want