NP

HW 0

mutex lock practice

HW 1

npshell

A simple linux shell with special extras.

• numberd pipe: |[number]

  pipe output to next X command input.

HW 2

Part 1

npshell server

Let HW 1 be a tcp server, something like rsh or ssh.

Part 2

Remote Working Ground Server (single-process concurrent)

• npshell

• chat

• user pipe

  pipe command output to other user

Part 3

Remote Working Ground Server (concurrent connection-oriented paradigm with shared memory and FIFO)

• npshell

• chat

• user pipe

  pipe command output to other user

HW 3

• boost.asio

Part 1

http server

simple nginx or apache, only support "GET".

Part 2

console.cgi

Send command to HW 2 part 2 server, and output cli in website.

https://www.youtube.com/watch?v=1Lgo9xnw-fI

Part 3

part 1 + part 2 work in windows.

HW 4

SOCKS4/4a server

Set up the firewall on HTTP Server for remote chat server so that it can only be accessed through SOCKS Sever.