func (c *clientCodec) ReadHeader(m *codec.Message) error {
c.resp.reset()
if err := c.dec.Decode(&c.resp); err != nil {
return err
}
c.Lock()
m.Method = c.pending[c.resp.ID]
delete(c.pending, c.resp.ID)
c.Unlock()
m.Error = ""
m.Id = c.resp.ID
if c.resp.Error != nil {
x, ok := c.resp.Error.(string)
if !ok {
return fmt.Errorf("invalid error %v", c.resp.Error)
}
if x == "" {
x = "unspecified error"
}
m.Error = x
}
return nil
}
func (s *serverCodec) ReadHeader(m *codec.Message) error {
r := &request{}
if err := bson.UnmarshalFromStream(s.rwc, r); err != nil {
return err
}
m.Id = r.Seq
m.Method = r.ServiceMethod
return nil
}
func (c *clientCodec) ReadHeader(m *codec.Message) error {
r := &response{}
if err := bson.UnmarshalFromStream(c.rwc, r); err != nil {
return err
}
m.Id = r.Seq
m.Method = r.ServiceMethod
m.Error = r.Error
return nil
}
func (c *serverCodec) ReadHeader(m *codec.Message) error {
c.req.reset()
if err := c.dec.Decode(&c.req); err != nil {
return err
}
m.Method = c.req.Method
c.Lock()
c.seq++
c.pending[c.seq] = c.req.ID
c.req.ID = nil
m.Id = c.seq
c.Unlock()
return nil
}
// ReadHeader reads the header from the wire.
func (c *msgpackCodec) ReadHeader(m *codec.Message, mt codec.MessageType) error {
c.mt = mt
switch mt {
case codec.Request:
var h Request
if err := msgp.Decode(c.rwc, &h); err != nil {
return err
}
c.body = h.hasBody
m.Id = uint64(h.ID)
m.Method = h.Method
case codec.Response:
var h Response
if err := msgp.Decode(c.rwc, &h); err != nil {
return err
}
c.body = h.hasBody
m.Id = uint64(h.ID)
m.Error = h.Error
case codec.Publication:
var h Notification
if err := msgp.Decode(c.rwc, &h); err != nil {
return err
}
c.body = h.hasBody
m.Method = h.Method
default:
return errors.New("Unrecognized message type")
}
return nil
}
func (c *rpcPlusCodec) ReadRequestHeader(r *request, first bool) error {
m := codec.Message{Header: c.req.Header}
if !first {
var tm transport.Message
if err := c.socket.Recv(&tm); err != nil {
return err
}
c.buf.rbuf.Reset()
if _, err := c.buf.rbuf.Write(tm.Body); err != nil {
return err
}
m.Header = tm.Header
}
err := c.codec.ReadHeader(&m, codec.Request)
r.ServiceMethod = m.Method
r.Seq = m.Id
return err
}
func (c *protoCodec) ReadHeader(m *codec.Message, mt codec.MessageType) error {
c.buf.Reset()
c.mt = mt
switch mt {
case codec.Request:
data, err := ReadNetString(c.rwc)
if err != nil {
return err
}
rtmp := new(Request)
err = proto.Unmarshal(data, rtmp)
if err != nil {
return err
}
m.Method = *rtmp.ServiceMethod
m.Id = *rtmp.Seq
case codec.Response:
data, err := ReadNetString(c.rwc)
if err != nil {
return err
}
rtmp := new(Response)
err = proto.Unmarshal(data, rtmp)
if err != nil {
return err
}
m.Method = *rtmp.ServiceMethod
m.Id = *rtmp.Seq
m.Error = *rtmp.Error
case codec.Publication:
io.Copy(c.buf, c.rwc)
default:
return fmt.Errorf("Unrecognised message type: %v", mt)
}
return nil
}
func (c *mercuryCodec) ReadHeader(m *codec.Message, mt codec.MessageType) error {
c.buf.Reset()
c.mt = mt
switch mt {
case codec.Request:
m.Method = m.Header["Endpoint"]
io.Copy(c.buf, c.rwc)
case codec.Response:
io.Copy(c.buf, c.rwc)
case codec.Publication:
io.Copy(c.buf, c.rwc)
default:
return fmt.Errorf("Unrecognised message type: %v", mt)
}
return nil
}