Adding files to project

cmd/root.go

@@ -0,0 +1,51 @@
+/*
+Copyright © 2024 Raul
+
+*/
+package cmd
+
+import (
+	"os"
+
+	"github.com/spf13/cobra"
+)
+
+
+
+// rootCmd represents the base command when called without any subcommands
+var rootCmd = &cobra.Command{
+	Use:   "mini-chat",
+	Short: "A brief description of your application",
+	Long: `A longer description that spans multiple lines and likely contains
+examples and usage of using your application. For example:
+
+Cobra is a CLI library for Go that empowers applications.
+This application is a tool to generate the needed files
+to quickly create a Cobra application.`,
+	// Uncomment the following line if your bare application
+	// has an action associated with it:
+	// Run: func(cmd *cobra.Command, args []string) { },
+}
+
+// Execute adds all child commands to the root command and sets flags appropriately.
+// This is called by main.main(). It only needs to happen once to the rootCmd.
+func Execute() {
+	err := rootCmd.Execute()
+	if err != nil {
+		os.Exit(1)
+	}
+}
+
+func init() {
+	// Here you will define your flags and configuration settings.
+	// Cobra supports persistent flags, which, if defined here,
+	// will be global for your application.
+
+	// rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.mini-chat.yaml)")
+
+	// Cobra also supports local flags, which will only run
+	// when this action is called directly.
+	rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+}
+
+

cmd/server.go

@@ -0,0 +1,100 @@
+/*
+Copyright © 2024 Raul
+*/
+package cmd
+
+import (
+	"bufio"
+	"fmt"
+	"net"
+	"strings"
+	"time"
+
+	//"os"
+
+	"github.com/spf13/cobra"
+)
+
+// serverCmd represents the server command
+var serverCmd = &cobra.Command{
+	Use:   "server",
+	Short: "A brief description of your command",
+	Long: `A longer description that spans multiple lines and likely contains examples
+and usage of using your command. For example:
+
+Cobra is a CLI library for Go that empowers applications.
+This application is a tool to generate the needed files
+to quickly create a Cobra application.`,
+	Run: func(cmd *cobra.Command, args []string) {
+		server(cmd)
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(serverCmd)
+
+	// Here you will define your flags and configuration settings.
+
+	// Cobra supports Persistent Flags which will work for this command
+	// and all subcommands, e.g.:
+	// serverCmd.PersistentFlags().String("foo", "", "A help for foo")
+
+	// Cobra supports local flags which will only run when this command
+	// is called directly, e.g.:
+	// serverCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+	serverCmd.Flags().String("port", "1302", "Port to listen on")
+}
+
+func server(cmd *cobra.Command) {
+	var lport string
+	port, _ := cmd.Flags().GetString("port")
+	if port != "" {
+		lport = port
+	} else {
+		lport = "1302"
+	}
+
+	ln, err := net.Listen("tcp", ":"+lport)
+	cobra.CheckErr(err)
+	fmt.Printf("Listening on port %v...\n", lport)
+	for {
+		conn, err := ln.Accept()
+		cobra.CheckErr(err)
+		go handleConn(conn)
+	}
+
+}
+
+type chatter struct {
+	Username string
+	IP       string
+}
+
+func handleConn(conn net.Conn) {
+
+	defer conn.Close()
+	IP := getIP(conn)
+	t := time.Now()
+	date := fmt.Sprintf("%d-%02d-%02dT%02d:%02d:%02d", t.Year(), t.Month(), t.Day(), t.Hour(), t.Minute(), t.Second())
+	final_message := fmt.Sprintf("[%v] Received connection from %v!\n", date, IP)
+	fmt.Print(final_message)
+	conn.Write([]byte("What's your name?\nName: "))
+	name, err := bufio.NewReader(conn).ReadString('\n')
+	cobra.CheckErr(err)
+	var NewUser = new(chatter)
+	NewUser.Username = strings.TrimRight(name, "\n")
+	NewUser.IP = IP
+	for {
+		message, err := bufio.NewReader(conn).ReadString('\n')
+		cobra.CheckErr(err)
+		fmt.Print("{" + NewUser.IP + "} " + NewUser.Username + ": " + message)
+		conn.Write([]byte(message))
+	}
+}
+
+func getIP(conn net.Conn) (IP string) {
+	if addr, ok := conn.RemoteAddr().(*net.TCPAddr); ok {
+		IP = fmt.Sprintf("%v", addr)
+	}
+	return IP
+}

go.mod

@@ -0,0 +1,9 @@
+module mini-chat
+
+go 1.22.1
+
+require (
+	github.com/inconshreveable/mousetrap v1.1.0 // indirect
+	github.com/spf13/cobra v1.8.0 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+)

go.sum

@@ -0,0 +1,10 @@
+github.com/cpuguy83/go-md2man/v2 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
+github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
+github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
+github.com/spf13/cobra v1.8.0 h1:7aJaZx1B85qltLMc546zn58BxxfZdR/W22ej9CFoEf0=
+github.com/spf13/cobra v1.8.0/go.mod h1:WXLWApfZ71AjXPya3WOlMsY9yMs7YeiHhFVlvLyhcho=
+github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
+github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

main.go

@@ -0,0 +1,11 @@
+/*
+Copyright © 2024 Raul
+
+*/
+package main
+
+import "mini-chat/cmd"
+
+func main() {
+	cmd.Execute()
+}