func (c *rpcPlusCodec) ReadRequestHeader(r *request, first bool) error {
m := codec.Message{Headers: 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.Headers = tm.Header
}
err := c.codec.ReadHeader(&m, codec.Request)
r.ServiceMethod = m.Method
r.Seq = m.Id
return err
}
