use go 1.12

Signed-off-by: hongming <talonwan@yunify.com>
2019-03-12 15:47:56 +08:00
parent b59c244ca2
commit 4144404b0b
1110 changed files with 161100 additions and 14519 deletions
--- a/vendor/github.com/lucas-clemente/quic-go/internal/wire/frame_parser.go
+++ b/vendor/github.com/lucas-clemente/quic-go/internal/wire/frame_parser.go
@@ -0,0 +1,167 @@
+package wire
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+
+	"github.com/lucas-clemente/quic-go/internal/protocol"
+	"github.com/lucas-clemente/quic-go/qerr"
+)
+
+// ParseNextFrame parses the next frame
+// It skips PADDING frames.
+func ParseNextFrame(r *bytes.Reader, hdr *Header, v protocol.VersionNumber) (Frame, error) {
+	for r.Len() != 0 {
+		typeByte, _ := r.ReadByte()
+		if typeByte == 0x0 { // PADDING frame
+			continue
+		}
+		r.UnreadByte()
+
+		if !v.UsesIETFFrameFormat() {
+			return parseGQUICFrame(r, typeByte, hdr, v)
+		}
+		return parseIETFFrame(r, typeByte, v)
+	}
+	return nil, nil
+}
+
+func parseIETFFrame(r *bytes.Reader, typeByte byte, v protocol.VersionNumber) (Frame, error) {
+	var frame Frame
+	var err error
+	if typeByte&0xf8 == 0x10 {
+		frame, err = parseStreamFrame(r, v)
+		if err != nil {
+			err = qerr.Error(qerr.InvalidStreamData, err.Error())
+		}
+		return frame, err
+	}
+	// TODO: implement all IETF QUIC frame types
+	switch typeByte {
+	case 0x1:
+		frame, err = parseRstStreamFrame(r, v)
+		if err != nil {
+			err = qerr.Error(qerr.InvalidRstStreamData, err.Error())
+		}
+	case 0x2:
+		frame, err = parseConnectionCloseFrame(r, v)
+		if err != nil {
+			err = qerr.Error(qerr.InvalidConnectionCloseData, err.Error())
+		}
+	case 0x4:
+		frame, err = parseMaxDataFrame(r, v)
+		if err != nil {
+			err = qerr.Error(qerr.InvalidWindowUpdateData, err.Error())
+		}
+	case 0x5:
+		frame, err = parseMaxStreamDataFrame(r, v)
+		if err != nil {
+			err = qerr.Error(qerr.InvalidWindowUpdateData, err.Error())
+		}
+	case 0x6:
+		frame, err = parseMaxStreamIDFrame(r, v)
+		if err != nil {
+			err = qerr.Error(qerr.InvalidFrameData, err.Error())
+		}
+	case 0x7:
+		frame, err = parsePingFrame(r, v)
+	case 0x8:
+		frame, err = parseBlockedFrame(r, v)
+		if err != nil {
+			err = qerr.Error(qerr.InvalidBlockedData, err.Error())
+		}
+	case 0x9:
+		frame, err = parseStreamBlockedFrame(r, v)
+		if err != nil {
+			err = qerr.Error(qerr.InvalidBlockedData, err.Error())
+		}
+	case 0xa:
+		frame, err = parseStreamIDBlockedFrame(r, v)
+		if err != nil {
+			err = qerr.Error(qerr.InvalidFrameData, err.Error())
+		}
+	case 0xc:
+		frame, err = parseStopSendingFrame(r, v)
+		if err != nil {
+			err = qerr.Error(qerr.InvalidFrameData, err.Error())
+		}
+	case 0xe:
+		frame, err = parsePathChallengeFrame(r, v)
+		if err != nil {
+			err = qerr.Error(qerr.InvalidFrameData, err.Error())
+		}
+	case 0xf:
+		frame, err = parsePathResponseFrame(r, v)
+		if err != nil {
+			err = qerr.Error(qerr.InvalidFrameData, err.Error())
+		}
+	case 0x1a, 0x1b:
+		frame, err = parseAckFrame(r, v)
+		if err != nil {
+			err = qerr.Error(qerr.InvalidAckData, err.Error())
+		}
+	default:
+		err = qerr.Error(qerr.InvalidFrameData, fmt.Sprintf("unknown type byte 0x%x", typeByte))
+	}
+	return frame, err
+}
+
+func parseGQUICFrame(r *bytes.Reader, typeByte byte, hdr *Header, v protocol.VersionNumber) (Frame, error) {
+	var frame Frame
+	var err error
+	if typeByte&0x80 == 0x80 {
+		frame, err = parseStreamFrame(r, v)
+		if err != nil {
+			err = qerr.Error(qerr.InvalidStreamData, err.Error())
+		}
+		return frame, err
+	} else if typeByte&0xc0 == 0x40 {
+		frame, err = parseAckFrame(r, v)
+		if err != nil {
+			err = qerr.Error(qerr.InvalidAckData, err.Error())
+		}
+		return frame, err
+	}
+	switch typeByte {
+	case 0x1:
+		frame, err = parseRstStreamFrame(r, v)
+		if err != nil {
+			err = qerr.Error(qerr.InvalidRstStreamData, err.Error())
+		}
+	case 0x2:
+		frame, err = parseConnectionCloseFrame(r, v)
+		if err != nil {
+			err = qerr.Error(qerr.InvalidConnectionCloseData, err.Error())
+		}
+	case 0x3:
+		frame, err = parseGoawayFrame(r, v)
+		if err != nil {
+			err = qerr.Error(qerr.InvalidGoawayData, err.Error())
+		}
+	case 0x4:
+		frame, err = parseWindowUpdateFrame(r, v)
+		if err != nil {
+			err = qerr.Error(qerr.InvalidWindowUpdateData, err.Error())
+		}
+	case 0x5:
+		frame, err = parseBlockedFrameLegacy(r, v)
+		if err != nil {
+			err = qerr.Error(qerr.InvalidBlockedData, err.Error())
+		}
+	case 0x6:
+		if !v.UsesStopWaitingFrames() {
+			err = errors.New("STOP_WAITING frames not supported by this QUIC version")
+			break
+		}
+		frame, err = parseStopWaitingFrame(r, hdr.PacketNumber, hdr.PacketNumberLen, v)
+		if err != nil {
+			err = qerr.Error(qerr.InvalidStopWaitingData, err.Error())
+		}
+	case 0x7:
+		frame, err = parsePingFrame(r, v)
+	default:
+		err = qerr.Error(qerr.InvalidFrameData, fmt.Sprintf("unknown type byte 0x%x", typeByte))
+	}
+	return frame, err
+}