3x-ui/internal/util/common/format.go

package common

import "strconv"

// FormatTraffic formats traffic bytes into human-readable units (B, KB, MB, GB, TB, PB).
func FormatTraffic(trafficBytes int64) string {
	units := []string{"B", "KB", "MB", "GB", "TB", "PB"}
	unitIndex := 0
	size := float64(trafficBytes)

	for size >= 1024 && unitIndex < len(units)-1 {
		size /= 1024
		unitIndex++
	}
	return strconv.FormatFloat(size, 'f', 2, 64) + units[unitIndex]
}