func (t *ExtendedTimestamp) Read(r io.Reader) error {
buf, err := spec.ReadBytes(r, 4)
if err != nil {
return err
}
t.Delta = spec.Uint32(buf)
return nil
}
func (h *BasicHeader) Read(r io.Reader) error {
b, err := spec.ReadByte(r)
if err != nil {
return err
}
h.FormatId = b >> 6
if b&0x3f == 0x3f {
tail, err := spec.ReadBytes(r, int(2))
if err != nil {
return err
}
h.StreamId = spec.Uint32(tail) + 64
} else if b&0x3f == 0 {
tail, err := spec.ReadBytes(r, int(1))
if err != nil {
return err
}
h.StreamId = spec.Uint32(tail) + 64
} else {
h.StreamId = spec.Uint32([]byte{b & 0x3f})
}
return nil
}
func (m *MessageHeader) Read(r io.Reader) error {
switch m.FormatId {
case 0:
buf, err := spec.ReadBytes(r, 11)
if err != nil {
return err
}
m.Timestamp = spec.Uint32(buf[:3])
m.TimestampDelta = false
m.Length = spec.Uint32(buf[3:6])
m.TypeId = buf[6]
m.StreamId = spec.LittleEndianUint32(buf[7:])
case 1:
buf, err := spec.ReadBytes(r, 7)
if err != nil {
return err
}
m.Timestamp = spec.Uint32(buf[:3])
m.TimestampDelta = true
m.Length = spec.Uint32(buf[3:6])
m.TypeId = buf[6]
case 2:
buf, err := spec.ReadBytes(r, 3)
if err != nil {
return err
}
m.Timestamp = spec.Uint32(buf)
m.TimestampDelta = true
case 3:
return nil
default:
return ErrUnknownFormatId
}
return nil
}
