func handler(req mercury.Request) (mercury.Response, error) {
request := req.Body().(*hello.Request)
rsp := req.Response(&hello.Response{
Msg: "Hey " + request.Name,
})
return rsp, nil
}
// Handle takes an inbound Request, unmarshals it, dispatches it to the handler, and serialises the result as a
// Response. Note that the response may be nil.
func (e Endpoint) Handle(req mercury.Request) (rsp mercury.Response, err error) {
// Unmarshal the request body (unless there already is one)
if req.Body() == nil && e.Request != nil {
if um := e.unmarshaler(req); um != nil {
if werr := terrors.Wrap(um.UnmarshalPayload(req), nil); werr != nil {
log.Warnf("[Mercury:Server] Cannot unmarshal request payload: %v", werr)
terr := werr.(*terrors.Error)
terr.Code = terrors.ErrBadRequest
rsp, err = nil, terr
return
}
}
}
defer func() {
if v := recover(); v != nil {
traceVerbose := make([]byte, 1024)
runtime.Stack(traceVerbose, true)
log.Criticalf("[Mercury:Server] Recovered from handler panic for request %s:\n%v\n%s", req.Id(), v,
string(traceVerbose))
rsp, err = nil, terrors.InternalService("panic", fmt.Sprintf("Panic in handler %s:\n%s", req.Endpoint(),
string(traceVerbose)), nil)
}
}()
rsp, err = e.Handler(req)
return
}
// Handle takes an inbound Request, unmarshals it, dispatches it to the handler, and serialises the result as a
// Response. Note that the response may be nil.
func (e Endpoint) Handle(req mercury.Request) (mercury.Response, error) {
// Unmarshal the request body (unless there already is one)
if req.Body() == nil && e.Request != nil {
if um := e.unmarshaler(req); um != nil {
if werr := terrors.Wrap(um.UnmarshalPayload(req), nil); werr != nil {
log.Warn(req, "[Mercury:Server] Cannot unmarshal request payload: %v", werr)
terr := werr.(*terrors.Error)
terr.Code = terrors.ErrBadRequest
return nil, terr
}
}
}
return e.Handler(req)
}
