func (c Call) marshaler() tmsg.Marshaler {
result := tmsg.Marshaler(nil)
if c.Headers != nil && c.Headers[marshaling.ContentTypeHeader] != "" {
result = marshaling.Marshaler(c.Headers[marshaling.ContentTypeHeader])
}
if result == nil {
result = tmsg.ProtoMarshaler()
}
return result
}
func responseFromRequest(req Request, body interface{}) Response {
rsp := NewResponse()
rsp.SetId(req.Id())
if body != nil {
rsp.SetBody(body)
ct := req.Headers()[marshaling.AcceptHeader]
marshaler := marshaling.Marshaler(ct)
if marshaler == nil { // Fall back to JSON
marshaler = marshaling.Marshaler(marshaling.JSONContentType)
}
if marshaler == nil {
log.Error(req, "[Mercury] No marshaler for response %s: %s", rsp.Id(), ct)
} else if err := marshaler.MarshalBody(rsp); err != nil {
log.Error(req, "[Mercury] Failed to marshal response %s: %v", rsp.Id(), err)
}
}
return rsp
}