Homework 4 - Web Client

Daraban Albert-Timotei

Commands

• REGISTER - reads credentials and sends a register request
• LOGIN - reads credentials and sends login request to the server, if a user is already connect he will be logged out
• ENTER_LIBRARY - sends library access request
• GET_BOOKS - sends request for all books details, if the request is good the details will be printed in JSON pretty print format
• GET_BOOK - reads book id and sends request for a book details, if the request is good the details will be printed in JSON pretty print format
• ADD_BOOK - reads book details and sends a request to add the book
• DELETE_BOOK - reads book id and sends a request to delete book
• LOGOUT - if logged in sends logout request to server
• EXIT - if logged in sends logout request to server and closes program

Structure

• CLIENT connects the following parts of the program:
  • INPUT_PARSER - reads commands and any other input from the keyboard and parses them
  • SERVER_COM - communicates with the server and uses:
    • HELPERS - ensures the correct sending and receiving of data to the server and uses:
      • BUFFER - provides a resizable buffer
    • REQUESTS - creates request buffers

JSON Parsing

For JSON parsing, we chose https://github.com/nlohmann/json because it is very intuitive to use.