From 828cfac6305209a410c52fee0ecf144bc28cd1f4 Mon Sep 17 00:00:00 2001 From: Darien Raymond Date: Tue, 27 Nov 2018 15:33:53 +0100 Subject: [PATCH] remove unused file --- .../quic-go/internal/wire/header_parser.go | 167 ------------------ 1 file changed, 167 deletions(-) delete mode 100644 vendor/github.com/lucas-clemente/quic-go/internal/wire/header_parser.go diff --git a/vendor/github.com/lucas-clemente/quic-go/internal/wire/header_parser.go b/vendor/github.com/lucas-clemente/quic-go/internal/wire/header_parser.go deleted file mode 100644 index ce1ec0d9..00000000 --- a/vendor/github.com/lucas-clemente/quic-go/internal/wire/header_parser.go +++ /dev/null @@ -1,167 +0,0 @@ -package wire - -import ( - "bytes" - "fmt" - "io" - - "github.com/lucas-clemente/quic-go/internal/protocol" - "github.com/lucas-clemente/quic-go/internal/qerr" - "github.com/lucas-clemente/quic-go/internal/utils" -) - -// The InvariantHeader is the version independent part of the header -type InvariantHeader struct { - IsLongHeader bool - Version protocol.VersionNumber - SrcConnectionID protocol.ConnectionID - DestConnectionID protocol.ConnectionID - - typeByte byte -} - -// ParseInvariantHeader parses the version independent part of the header -func ParseInvariantHeader(b *bytes.Reader, shortHeaderConnIDLen int) (*InvariantHeader, error) { - typeByte, err := b.ReadByte() - if err != nil { - return nil, err - } - - h := &InvariantHeader{typeByte: typeByte} - h.IsLongHeader = typeByte&0x80 > 0 - - // If this is not a Long Header, it could either be a Public Header or a Short Header. - if !h.IsLongHeader { - var err error - h.DestConnectionID, err = protocol.ReadConnectionID(b, shortHeaderConnIDLen) - if err != nil { - return nil, err - } - return h, nil - } - // Long Header - v, err := utils.BigEndian.ReadUint32(b) - if err != nil { - return nil, err - } - h.Version = protocol.VersionNumber(v) - connIDLenByte, err := b.ReadByte() - if err != nil { - return nil, err - } - dcil, scil := decodeConnIDLen(connIDLenByte) - h.DestConnectionID, err = protocol.ReadConnectionID(b, dcil) - if err != nil { - return nil, err - } - h.SrcConnectionID, err = protocol.ReadConnectionID(b, scil) - if err != nil { - return nil, err - } - return h, nil -} - -// Parse parses the version dependent part of the header -func (iv *InvariantHeader) Parse(b *bytes.Reader, sentBy protocol.Perspective, ver protocol.VersionNumber) (*Header, error) { - if iv.IsLongHeader { - if iv.Version == 0 { // Version Negotiation Packet - return iv.parseVersionNegotiationPacket(b) - } - return iv.parseLongHeader(b, sentBy, ver) - } - return iv.parseShortHeader(b, ver) -} - -func (iv *InvariantHeader) toHeader() *Header { - return &Header{ - IsLongHeader: iv.IsLongHeader, - DestConnectionID: iv.DestConnectionID, - SrcConnectionID: iv.SrcConnectionID, - Version: iv.Version, - } -} - -func (iv *InvariantHeader) parseVersionNegotiationPacket(b *bytes.Reader) (*Header, error) { - h := iv.toHeader() - if b.Len() == 0 { - return nil, qerr.Error(qerr.InvalidVersionNegotiationPacket, "empty version list") - } - h.IsVersionNegotiation = true - h.SupportedVersions = make([]protocol.VersionNumber, b.Len()/4) - for i := 0; b.Len() > 0; i++ { - v, err := utils.BigEndian.ReadUint32(b) - if err != nil { - return nil, qerr.InvalidVersionNegotiationPacket - } - h.SupportedVersions[i] = protocol.VersionNumber(v) - } - return h, nil -} - -func (iv *InvariantHeader) parseLongHeader(b *bytes.Reader, sentBy protocol.Perspective, v protocol.VersionNumber) (*Header, error) { - h := iv.toHeader() - h.Type = protocol.PacketType(iv.typeByte & 0x7f) - - if h.Type != protocol.PacketTypeInitial && h.Type != protocol.PacketTypeRetry && h.Type != protocol.PacketType0RTT && h.Type != protocol.PacketTypeHandshake { - return nil, qerr.Error(qerr.InvalidPacketHeader, fmt.Sprintf("Received packet with invalid packet type: %d", h.Type)) - } - - if h.Type == protocol.PacketTypeRetry { - odcilByte, err := b.ReadByte() - if err != nil { - return nil, err - } - odcil := decodeSingleConnIDLen(odcilByte & 0xf) - h.OrigDestConnectionID, err = protocol.ReadConnectionID(b, odcil) - if err != nil { - return nil, err - } - h.Token = make([]byte, b.Len()) - if _, err := io.ReadFull(b, h.Token); err != nil { - return nil, err - } - return h, nil - } - - if h.Type == protocol.PacketTypeInitial { - tokenLen, err := utils.ReadVarInt(b) - if err != nil { - return nil, err - } - if tokenLen > uint64(b.Len()) { - return nil, io.EOF - } - h.Token = make([]byte, tokenLen) - if _, err := io.ReadFull(b, h.Token); err != nil { - return nil, err - } - } - - pl, err := utils.ReadVarInt(b) - if err != nil { - return nil, err - } - h.Length = protocol.ByteCount(pl) - pn, pnLen, err := utils.ReadVarIntPacketNumber(b) - if err != nil { - return nil, err - } - h.PacketNumber = pn - h.PacketNumberLen = pnLen - - return h, nil -} - -func (iv *InvariantHeader) parseShortHeader(b *bytes.Reader, v protocol.VersionNumber) (*Header, error) { - h := iv.toHeader() - h.KeyPhase = int(iv.typeByte&0x40) >> 6 - - pn, pnLen, err := utils.ReadVarIntPacketNumber(b) - if err != nil { - return nil, err - } - h.PacketNumber = pn - h.PacketNumberLen = pnLen - - return h, nil -}