b.Grow(64)
	b.Write([]byte("abcde"))
	fmt.Printf("%d", b.Len())
	// Output: 5
}

func ExampleBuffer_Next() {
	var b bytes.Buffer
	b.Grow(64)
	b.Write([]byte("abcde"))
	fmt.Printf("%s\n", b.Next(2))
	fmt.Printf("%s\n", b.Next(2))
	fmt.Printf("%s", b.Next(2))
	// Output:
	// ab
	// cd
	// e
}

func ExampleBuffer_Read() {
	var b bytes.Buffer
	b.Grow(64)
	b.Write([]byte("abcde"))
	rdbuf := make([]byte, 1)

		} else {
			l.Printf(l.traceWarnStr, utils.FileWithLineNum(), slowLog, float64(elapsed.Nanoseconds())/1e6, rows, sql)
		}
	case l.LogLevel == Info:
		sql, rows := fc()
		if rows == -1 {
			l.Printf(l.traceStr, utils.FileWithLineNum(), float64(elapsed.Nanoseconds())/1e6, "-", sql)
		} else {

type minioLogger struct{}

// Print implement Logger
func (log *minioLogger) Print(sessionID string, message any) {
	if serverDebugLog {
		fmt.Printf("%s %s\n", sessionID, message)
	}
}

// Printf implement Logger
func (log *minioLogger) Printf(sessionID string, format string, v ...any) {
	if serverDebugLog {
		if sessionID != "" {
			fmt.Printf("%s %s\n", sessionID, fmt.Sprintf(format, v...))
		} else {

	var err error
	if DB, err = OpenTestConnection(&gorm.Config{}); err != nil {
		log.Printf("failed to connect database, got error %v", err)
		os.Exit(1)
	} else {
		sqlDB, err := DB.DB()
		if err != nil {
			log.Printf("failed to connect database, got error %v", err)
			os.Exit(1)
		}

		err = sqlDB.Ping()
		if err != nil {
			log.Printf("failed to ping sqlDB, got error %v", err)
			os.Exit(1)
		}

		RunMigrations()

	if err != nil {
		fmt.Printf("error generating key: %s n", err)
		os.Exit(1)
	}

	// dump private key to file
	privateKeyBytes := x509.MarshalPKCS1PrivateKey(privatekey)
	privateKeyBlock := &pem.Block{
		Type:  "RSA PRIVATE KEY",
		Bytes: privateKeyBytes,
	}
	privatePem, err := os.Create("support_private.pem")
	if err != nil {
		fmt.Printf("error when create private.pem: %s n", err)

		if idx <= 0 || idx >= len(line) {
			if cr.debug {
				fmt.Printf("Could not find separator, got %q\n", line)
			}
			return errMalformedEncoding
		}
		key := strings.ToLower(line[:idx])
		value := line[idx+1:]
		if _, ok := wantTrailers[key]; !ok {
			if cr.debug {
				fmt.Printf("Unknown key %q - expected on of %v\n", key, cr.trailers)
			}
			return errMalformedEncoding
		}

	body, err := io.ReadAll(r.Body)
	defer r.Body.Close()
	if err != nil {
		log.Printf("Error reading request body: %v", err)
		w.WriteHeader(http.StatusBadRequest)
		return
	}

	log.Printf(">>> %s %s\n", r.Method, r.URL.Path)
	var out bytes.Buffer
	json.Indent(&out, body, "", "    ")
	log.Printf("%s\n", out.String())

	w.WriteHeader(http.StatusOK)
}

func main() {
	flag.Parse()

	reader := strings.NewReader(data)

	n, err := writer.ReadFrom(reader)
	if err != nil {
		fmt.Println("ReadFrom Error:", err)
		return
	}

	if err = writer.Flush(); err != nil {
		fmt.Println("Flush Error:", err)
		return
	}

	fmt.Println("Bytes written:", n)
	fmt.Println("Buffer contents:", buf.String())
	// Output:
	// Bytes written: 41
	// Buffer contents: Hello, world!

	if seq != m.RecvSeq {
		if debugPrint {
			fmt.Printf("expected sequence %d, got %d\n", m.RecvSeq, seq)
		}
		m.disconnect(fmt.Sprintf("receive sequence number mismatch. want %d, got %d", m.RecvSeq, seq), false)
		return false
	}
	m.RecvSeq++
	return true
}

func (m *muxServer) message(msg message) {
	if debugPrint {
		fmt.Printf("muxServer: received message %d, length %d\n", msg.Seq, len(msg.Payload))

	json.NewEncoder(w).Encode(map[string]string{
		"error": fmt.Sprintf("%v", err),
	})
}

type Result struct {
	Result bool `json:"result"`
}

func mainHandler(w http.ResponseWriter, r *http.Request) {
	body, err := io.ReadAll(r.Body)
	if err != nil {
		writeErrorResponse(w, err)
		return
	}

	var out bytes.Buffer
	json.Indent(&out, body, "", "  ")
	fmt.Printf("Received JSON payload:\n%s\n", out.String())