make wire an internal package

internal/wire/log.go

@@ -0,0 +1,28 @@
+package wire
+
+import "github.com/lucas-clemente/quic-go/internal/utils"
+
+// LogFrame logs a frame, either sent or received
+func LogFrame(frame Frame, sent bool) {
+	if !utils.Debug() {
+		return
+	}
+	dir := "<-"
+	if sent {
+		dir = "->"
+	}
+	switch f := frame.(type) {
+	case *StreamFrame:
+		utils.Debugf("\t%s &wire.StreamFrame{StreamID: %d, FinBit: %t, Offset: 0x%x, Data length: 0x%x, Offset + Data length: 0x%x}", dir, f.StreamID, f.FinBit, f.Offset, f.DataLen(), f.Offset+f.DataLen())
+	case *StopWaitingFrame:
+		if sent {
+			utils.Debugf("\t%s &wire.StopWaitingFrame{LeastUnacked: 0x%x, PacketNumberLen: 0x%x}", dir, f.LeastUnacked, f.PacketNumberLen)
+		} else {
+			utils.Debugf("\t%s &wire.StopWaitingFrame{LeastUnacked: 0x%x}", dir, f.LeastUnacked)
+		}
+	case *AckFrame:
+		utils.Debugf("\t%s &wire.AckFrame{LargestAcked: 0x%x, LowestAcked: 0x%x, AckRanges: %#v, DelayTime: %s}", dir, f.LargestAcked, f.LowestAcked, f.AckRanges, f.DelayTime.String())
+	default:
+		utils.Debugf("\t%s %#v", dir, frame)
+	}
+}