primeiro commit

internal/probe/humanize.go

@@ -0,0 +1,23 @@
+package probe
+
+import "fmt"
+
+// HumanizeBitsPerSecond formats a bit rate as kilobit, megabit, or gigabit.
+func HumanizeBitsPerSecond(bitsPerSecond float64) string {
+	const (
+		kilobit = 1000
+		megabit = 1000 * kilobit
+		gigabit = 1000 * megabit
+	)
+
+	switch {
+	case bitsPerSecond >= gigabit:
+		return fmt.Sprintf("%.2f Gbit/s", bitsPerSecond/gigabit)
+	case bitsPerSecond >= megabit:
+		return fmt.Sprintf("%.2f Mbit/s", bitsPerSecond/megabit)
+	case bitsPerSecond >= kilobit:
+		return fmt.Sprintf("%.2f kbit/s", bitsPerSecond/kilobit)
+	default:
+		return fmt.Sprintf("%.0f bit/s", bitsPerSecond)
+	}
+}