Go Chat Project

A simple chat system written in Go, including both server and client.

🚀 Features

• Multi-user chat room (who command to list online users)
• Rename username (rename|new_name)
• Private messaging (to|username|message)
• Auto kick on inactivity (disconnect after 60 seconds of inactivity)
• Simple TCP client (client.go)

🛠️ How to Run

1. Run the server

   In the project root directory, run:

   go run server.go manager.go user.go

2. Run the client

   In another terminal window, run:

   go run client.go

   You can launch multiple clients in separate terminal windows for testing.

💬 Command Examples

List online users: who

Change username: rename|new_name

Send a private message: to|username|message

⚠️ Notes

Do not run go run . directly, as it will compile both client.go and server.go and cause a main() conflict error.

Always start the server and client in separate terminal windows.

If using VSCode, you can quickly open the terminal with Ctrl + ~.

✨ Future Improvements

• Web UI client
• Database support for chat history
• User authentication and login system