update

client.go

@@ -10,8 +10,8 @@ import (
 )
 
 var (
-	host = flag.String("host", "localhost", "Server host")
-	port = flag.String("port", "26666", "Server port")
+	host = flag.String("h", "localhost", "Server host")
+	port = flag.String("p", "26666", "Server port")
 )
 
 func main() {
@@ -62,4 +62,4 @@ func main() {
 	if err := scanner.Err(); err != nil {
 		fmt.Printf("Error reading input: %v\n", err)
 	}
-}
+}

server.go

@@ -7,17 +7,52 @@ import (
 	"log"
 	"net"
 	"os"
+	"os/exec"
 	"time"
 )
 
 var (
-	port     = flag.String("port", "26666", "Port to listen on")
-	logFile  = flag.String("logfile", "server.log", "Log file path")
+	port    = flag.String("p", "26666", "Port to listen on")
+	logFile = flag.String("log", "server.log", "Log file path")
+	daemon  = flag.Bool("d", false, "Run as daemon")
 )
 
 func main() {
 	flag.Parse()
 
+	// If daemon flag is set, restart the program in background
+	if *daemon {
+		// Get the path of the current executable
+		executable, err := os.Executable()
+		if err != nil {
+			log.Fatal("Failed to get executable path:", err)
+		}
+
+		// Prepare command to run the program in background
+		// We exclude the -d flag to prevent infinite loop
+		args := []string{}
+		if *port != "26666" {
+			args = append(args, "-p", *port)
+		}
+		if *logFile != "server.log" {
+			args = append(args, "-log", *logFile)
+		}
+
+		cmd := exec.Command(executable, args...)
+		cmd.Stdout = os.Stdout
+		cmd.Stderr = os.Stderr
+
+		// Start the command in background
+		err = cmd.Start()
+		if err != nil {
+			log.Fatal("Failed to start daemon:", err)
+		}
+
+		// Print the PID of the background process
+		fmt.Printf("Server started as daemon with PID %d\n", cmd.Process.Pid)
+		return
+	}
+
 	// Open log file
 	file, err := os.OpenFile(*logFile, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
 	if err != nil {
@@ -59,7 +94,7 @@ func handleConnection(conn net.Conn) {
 	timestamp := time.Now().Format("2006-01-02 15:04:05")
 
 	// Print and log connection info
-	connInfo := fmt.Sprintf("New connection from IP: %s, Port: %d, Timestamp: %s", 
+	connInfo := fmt.Sprintf("New connection from IP: %s, Port: %d, Timestamp: %s",
 		remoteAddr.IP, remoteAddr.Port, timestamp)
 	fmt.Println(connInfo)
 	log.Println(connInfo)
@@ -69,7 +104,7 @@ func handleConnection(conn net.Conn) {
 	for scanner.Scan() {
 		message := scanner.Text()
 		msgTimestamp := time.Now().Format("2006-01-02 15:04:05")
-		
+
 		// Print and log the received message with timestamp
 		logEntry := fmt.Sprintf("[%s] Received: %s", msgTimestamp, message)
 		fmt.Println(logEntry)
@@ -86,4 +121,4 @@ func handleConnection(conn net.Conn) {
 	disconnectMsg := fmt.Sprintf("Client %s:%d disconnected", remoteAddr.IP, remoteAddr.Port)
 	fmt.Println(disconnectMsg)
 	log.Println(disconnectMsg)
-}
+}