// Handle handles the given binary payload.
func (s Server) Handle(data []byte) ([]byte, error) {
request, err := s.p.DecodeEnveloped(bytes.NewReader(data))
if err != nil {
return nil, err
}
response := wire.Envelope{
Name: request.Name,
SeqID: request.SeqID,
Type: wire.Reply,
}
response.Value, err = s.h.Handle(request.Name, request.Value)
if err != nil {
response.Type = wire.Exception
switch err.(type) {
case ErrUnknownMethod:
response.Value, err = tappExc(err, exception.ExceptionTypeUnknownMethod)
default:
response.Value, err = tappExc(err, exception.ExceptionTypeInternalError)
}
if err != nil {
return nil, err
}
}
var buff bytes.Buffer
if err := s.p.EncodeEnveloped(response, &buff); err != nil {
return nil, err
}
return buff.Bytes(), nil
}
func (bw *Reader) readStrictNameType(initial int32, off int64) (wire.Envelope, int64, error) {
var e wire.Envelope
if v := uint32(initial) & versionMask; v != version1 {
return e, off, fmt.Errorf("cannot decode envelope of version: %v", v)
}
// This will truncate the bits that are not required.
e.Type = wire.EnvelopeType(initial)
var err error
e.Name, off, err = bw.readString(off)
return e, off, err
}
func (bw *Reader) readNonStrictNameType() (wire.Envelope, int64, error) {
var e wire.Envelope
name, off, err := bw.readString(0)
if err != nil {
return e, off, err
}
e.Name = name
typeID, off, err := bw.readByte(off)
if err != nil {
return e, off, err
}
e.Type = wire.EnvelopeType(typeID)
return e, off, nil
}