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