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README.md

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The "main" branch has the client's code uploaded. The "master" branch has the server's code uploaded.

  • Main Function of Client:
    • Connect:
  •         The user can connect to the server by entering the server's ip and port correctly and pressing the connect button. 

  •         If the user enters invalid values for the ip and port, a message box will display a warning. If Connect succeeds, the Connect button will be disabled until you press Disconnect.
    • Send:
  •         After a successful connection between the client and the server, users can enter a message and press the Send button to send a message to the server. 

  •         If you press the Send button without entering a message, the message box displays a warning.
    • Disconnect:
  •         Pressing the button removes the connection between the client and the server. 

  •         Pressing the Disconnect button will reset the message entry box and listbox. At the same time, the Connect button will be reactivated.
  • Log Severity Level:
  • * Critical:

  •           If a user sends a message more than 20 times after Connect is successful, the user is recognized as an intruder. 

  •           Show a warning to the user in a message box and force the client to shut down.

  •           Server writes Critical Issue in the "log"

  • * Error:

  •           This is considered an error situation when a network error occurs between the Client and the Server. 

  •           If the Error ocuured from Client, Users can query Listbox for the error.

  •           If the Error occured from Server, The server writes the corresponding error in the "log". 

  • * Info(Information):

  •           Connection Success/Terminate/Send Message is considered normal and is displayed at the Information level. 

  •           Users can look up their Info in Listbox and Server writes Info in the "log"

  • * Notice:

  •           The client's IP/Port input error is a notice situation that only appears to the client. 

  •           Users can notify the user of the situation with a message box or query the Listbox.

  •           Server doesn't write Notice Issue in the "log"