Your task is to write a database of multimedia files. Your server should be able to accept and offer multimedia files. Your client should be able to do the same. Each file has an associated filename.

• Can transfer a multimedia file from the client to the server.
• Can transfer a multimedia file from the server to the client.
• Can get a directory listing of the available multimedia files.
• Server broadcasts to the clients anytime there is an update.
• Uses callbacks

This assignment is out of 5 points. It's do in Wednesday 19th, and is minus 10% for every workday day thereafter.
You get 20% bonus if it's done on Monday the 17th, and 10% bonus if it's done Tuesday the 18th.