package wire import ( "fmt" "strings" "github.com/lucas-clemente/quic-go/internal/protocol" "github.com/lucas-clemente/quic-go/internal/utils" ) // LogFrame logs a frame, either sent or received func LogFrame(logger utils.Logger, frame Frame, sent bool) { if !logger.Debug() { return } dir := "<-" if sent { dir = "->" } switch f := frame.(type) { case *CryptoFrame: dataLen := protocol.ByteCount(len(f.Data)) logger.Debugf("\t%s &wire.CryptoFrame{Offset: %d, Data length: %d, Offset + Data length: %d}", dir, f.Offset, dataLen, f.Offset+dataLen) case *StreamFrame: logger.Debugf("\t%s &wire.StreamFrame{StreamID: %d, Fin: %t, Offset: %d, Data length: %d, Offset + Data length: %d}", dir, f.StreamID, f.Fin, f.Offset, f.DataLen(), f.Offset+f.DataLen()) case *ResetStreamFrame: logger.Debugf("\t%s &wire.ResetStreamFrame{StreamID: %d, ErrorCode: %#x, FinalSize: %d}", dir, f.StreamID, f.ErrorCode, f.FinalSize) case *AckFrame: hasECN := f.ECT0 > 0 || f.ECT1 > 0 || f.ECNCE > 0 var ecn string if hasECN { ecn = fmt.Sprintf(", ECT0: %d, ECT1: %d, CE: %d", f.ECT0, f.ECT1, f.ECNCE) } if len(f.AckRanges) > 1 { ackRanges := make([]string, len(f.AckRanges)) for i, r := range f.AckRanges { ackRanges[i] = fmt.Sprintf("{Largest: %d, Smallest: %d}", r.Largest, r.Smallest) } logger.Debugf("\t%s &wire.AckFrame{LargestAcked: %d, LowestAcked: %d, AckRanges: {%s}, DelayTime: %s%s}", dir, f.LargestAcked(), f.LowestAcked(), strings.Join(ackRanges, ", "), f.DelayTime.String(), ecn) } else { logger.Debugf("\t%s &wire.AckFrame{LargestAcked: %d, LowestAcked: %d, DelayTime: %s%s}", dir, f.LargestAcked(), f.LowestAcked(), f.DelayTime.String(), ecn) } case *MaxDataFrame: logger.Debugf("\t%s &wire.MaxDataFrame{MaximumData: %d}", dir, f.MaximumData) case *MaxStreamDataFrame: logger.Debugf("\t%s &wire.MaxStreamDataFrame{StreamID: %d, MaximumStreamData: %d}", dir, f.StreamID, f.MaximumStreamData) case *DataBlockedFrame: logger.Debugf("\t%s &wire.DataBlockedFrame{MaximumData: %d}", dir, f.MaximumData) case *StreamDataBlockedFrame: logger.Debugf("\t%s &wire.StreamDataBlockedFrame{StreamID: %d, MaximumStreamData: %d}", dir, f.StreamID, f.MaximumStreamData) case *MaxStreamsFrame: switch f.Type { case protocol.StreamTypeUni: logger.Debugf("\t%s &wire.MaxStreamsFrame{Type: uni, MaxStreamNum: %d}", dir, f.MaxStreamNum) case protocol.StreamTypeBidi: logger.Debugf("\t%s &wire.MaxStreamsFrame{Type: bidi, MaxStreamNum: %d}", dir, f.MaxStreamNum) } case *StreamsBlockedFrame: switch f.Type { case protocol.StreamTypeUni: logger.Debugf("\t%s &wire.StreamsBlockedFrame{Type: uni, MaxStreams: %d}", dir, f.StreamLimit) case protocol.StreamTypeBidi: logger.Debugf("\t%s &wire.StreamsBlockedFrame{Type: bidi, MaxStreams: %d}", dir, f.StreamLimit) } case *NewConnectionIDFrame: logger.Debugf("\t%s &wire.NewConnectionIDFrame{SequenceNumber: %d, ConnectionID: %s, StatelessResetToken: %#x}", dir, f.SequenceNumber, f.ConnectionID, f.StatelessResetToken) case *NewTokenFrame: logger.Debugf("\t%s &wire.NewTokenFrame{Token: %#x}", dir, f.Token) default: logger.Debugf("\t%s %#v", dir, frame) } }