func ServerBase() { 
    fmt.Println("Starting the server...") 
    //create listener 
    listener, err := net.Listen("tcp", "192.168.1.27:50000") 
    if err != nil { 
        fmt.Println("Error listening:", err.Error()) 
        return 
    } 
 
    // listen and accept connections from clients: 
    for { 
        conn, err := listener.Accept() 
        if err != nil { 
            fmt.Println("Error accepting:", err.Error()) 
            return 
        } 
        //create a goroutine for each request. 
        go doServerStuff(conn) 
    } 
} 
 
func doServerStuff(conn net.Conn) { 
    fmt.Println("new connection:", conn.LocalAddr()) 
    for { 
        buf := make([]byte, 1024) 
        length, err := conn.Read(buf) 
        if err != nil { 
            fmt.Println("Error reading:", err.Error()) 
            return 
        } 
 
        fmt.Println("Receive data from client:", string(buf[:length])) 
    } 
}

func ClientBase() { 
    //open connection: 
    conn, err := net.Dial("tcp", "192.168.1.27:50000") 
    if err != nil { 
        fmt.Println("Error dial:", err.Error()) 
        return 
    } 
 
    inputReader := bufio.NewReader(os.Stdin) 
    fmt.Println("Please input your name:") 
    clientName, _ := inputReader.ReadString('\n') 
    inputClientName := strings.Trim(clientName, "\n") 
 
    //send info to server until Quit 
    for { 
        fmt.Println("What do you send to the server? Type Q to quit.") 
        content, _ := inputReader.ReadString('\n') 
        inputContent := strings.Trim(content, "\n") 
        if inputContent == "Q" { 
            return 
        } 
 
        _, err := conn.Write([]byte(inputClientName + " says " + inputContent)) 
        if err != nil { 
            fmt.Println("Error Write:", err.Error()) 
            return 
        } 
    } 
}