Merge pull request 'cleanup message stuf from server' (#160) from cleanup into master
Reviewed-on: #160
This commit is contained in:
commit
4a9cc0f03f
@ -60,7 +60,7 @@ func (h *httpHandler) Options() server.HandlerOptions {
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return h.opts
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}
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func (h *httpServer) HTTPHandlerFunc(handler interface{}) (http.HandlerFunc, error) {
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func (h *Server) HTTPHandlerFunc(handler interface{}) (http.HandlerFunc, error) {
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if handler == nil {
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return nil, fmt.Errorf("invalid handler specified: %v", handler)
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}
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@ -333,7 +333,7 @@ func (h *httpServer) HTTPHandlerFunc(handler interface{}) (http.HandlerFunc, err
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}, nil
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}
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func (h *httpServer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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func (h *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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// check for http.HandlerFunc handlers
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if ph, _, err := h.pathHandlers.Search(r.Method, r.URL.Path); err == nil {
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ph.(http.HandlerFunc)(w, r)
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33
request.go
33
request.go
@ -8,10 +8,7 @@ import (
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"go.unistack.org/micro/v4/server"
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)
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var (
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_ server.Request = &rpcRequest{}
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_ server.Message = &rpcMessage{}
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)
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var _ server.Request = &rpcRequest{}
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type rpcRequest struct {
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rw io.ReadWriter
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@ -25,14 +22,6 @@ type rpcRequest struct {
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stream bool
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}
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type rpcMessage struct {
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payload interface{}
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codec codec.Codec
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header metadata.Metadata
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topic string
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contentType string
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}
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func (r *rpcRequest) ContentType() string {
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return r.contentType
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}
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@ -72,23 +61,3 @@ func (r *rpcRequest) Stream() bool {
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func (r *rpcRequest) Body() interface{} {
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return r.payload
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}
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func (r *rpcMessage) ContentType() string {
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return r.contentType
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}
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func (r *rpcMessage) Topic() string {
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return r.topic
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}
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func (r *rpcMessage) Body() interface{} {
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return r.payload
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}
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func (r *rpcMessage) Header() metadata.Metadata {
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return r.header
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}
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func (r *rpcMessage) Codec() codec.Codec {
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return r.codec
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}
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208
subscriber.go
208
subscriber.go
@ -1,208 +0,0 @@
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package http
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import (
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"bytes"
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"context"
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"fmt"
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"reflect"
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"strings"
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"go.unistack.org/micro/v4/broker"
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"go.unistack.org/micro/v4/codec"
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"go.unistack.org/micro/v4/metadata"
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"go.unistack.org/micro/v4/register"
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"go.unistack.org/micro/v4/server"
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)
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var typeOfError = reflect.TypeOf((*error)(nil)).Elem()
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type handler struct {
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reqType reflect.Type
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ctxType reflect.Type
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method reflect.Value
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}
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type httpSubscriber struct {
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topic string
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rcvr reflect.Value
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typ reflect.Type
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subscriber interface{}
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handlers []*handler
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endpoints []*register.Endpoint
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opts server.SubscriberOptions
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}
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func newSubscriber(topic string, sub interface{}, opts ...server.SubscriberOption) server.Subscriber {
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options := server.NewSubscriberOptions(opts...)
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var endpoints []*register.Endpoint
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var handlers []*handler
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if typ := reflect.TypeOf(sub); typ.Kind() == reflect.Func {
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h := &handler{
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method: reflect.ValueOf(sub),
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}
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switch typ.NumIn() {
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case 1:
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h.reqType = typ.In(0)
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case 2:
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h.ctxType = typ.In(0)
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h.reqType = typ.In(1)
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}
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handlers = append(handlers, h)
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ep := ®ister.Endpoint{
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Name: "Func",
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Request: register.ExtractSubValue(typ),
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Metadata: metadata.New(2),
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}
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ep.Metadata.Set("topic", topic)
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ep.Metadata.Set("subscriber", "true")
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endpoints = append(endpoints, ep)
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} else {
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hdlr := reflect.ValueOf(sub)
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name := reflect.Indirect(hdlr).Type().Name()
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for m := 0; m < typ.NumMethod(); m++ {
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method := typ.Method(m)
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h := &handler{
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method: method.Func,
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}
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switch method.Type.NumIn() {
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case 2:
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h.reqType = method.Type.In(1)
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case 3:
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h.ctxType = method.Type.In(1)
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h.reqType = method.Type.In(2)
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}
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handlers = append(handlers, h)
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ep := ®ister.Endpoint{
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Name: name + "." + method.Name,
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Request: register.ExtractSubValue(method.Type),
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Metadata: metadata.New(2),
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}
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ep.Metadata.Set("topic", topic)
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ep.Metadata.Set("subscriber", "true")
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endpoints = append(endpoints, ep)
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}
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}
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return &httpSubscriber{
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rcvr: reflect.ValueOf(sub),
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typ: reflect.TypeOf(sub),
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topic: topic,
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subscriber: sub,
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handlers: handlers,
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endpoints: endpoints,
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opts: options,
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}
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}
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func (s *httpServer) createSubHandler(sb *httpSubscriber, opts server.Options) broker.Handler {
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return func(p broker.Event) error {
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msg := p.Message()
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ct := msg.Header["Content-Type"]
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cf, err := s.newCodec(ct)
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if err != nil {
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return err
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}
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hdr := metadata.Copy(msg.Header)
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delete(hdr, "Content-Type")
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ctx := metadata.NewIncomingContext(context.Background(), hdr)
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results := make(chan error, len(sb.handlers))
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for i := 0; i < len(sb.handlers); i++ {
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handler := sb.handlers[i]
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var isVal bool
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var req reflect.Value
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if handler.reqType.Kind() == reflect.Ptr {
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req = reflect.New(handler.reqType.Elem())
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} else {
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req = reflect.New(handler.reqType)
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isVal = true
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}
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if isVal {
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req = req.Elem()
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}
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buf := bytes.NewBuffer(msg.Body)
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if err := cf.ReadHeader(buf, &codec.Message{}, codec.Event); err != nil {
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return err
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}
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if err := cf.ReadBody(buf, req.Interface()); err != nil {
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return err
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}
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fn := func(ctx context.Context, msg server.Message) error {
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var vals []reflect.Value
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if sb.typ.Kind() != reflect.Func {
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vals = append(vals, sb.rcvr)
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}
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if handler.ctxType != nil {
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vals = append(vals, reflect.ValueOf(ctx))
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}
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vals = append(vals, reflect.ValueOf(msg.Body()))
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returnValues := handler.method.Call(vals)
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if err := returnValues[0].Interface(); err != nil {
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return err.(error)
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}
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return nil
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}
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for i := len(opts.SubWrappers); i > 0; i-- {
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fn = opts.SubWrappers[i-1](fn)
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}
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go func() {
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results <- fn(ctx, &httpMessage{
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topic: sb.topic,
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contentType: ct,
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payload: req.Interface(),
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header: msg.Header,
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codec: cf,
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})
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}()
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}
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var errors []string
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for i := 0; i < len(sb.handlers); i++ {
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if err := <-results; err != nil {
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errors = append(errors, err.Error())
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}
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}
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if len(errors) > 0 {
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return fmt.Errorf("subscriber error: %s", strings.Join(errors, "\n"))
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}
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return nil
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}
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}
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func (s *httpSubscriber) Topic() string {
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return s.topic
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}
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func (s *httpSubscriber) Subscriber() interface{} {
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return s.subscriber
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}
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func (s *httpSubscriber) Endpoints() []*register.Endpoint {
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return s.endpoints
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}
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func (s *httpSubscriber) Options() server.SubscriberOptions {
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return s.opts
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}
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