Function mixedHandler

datanode/datanode.go:711–719

mixed handler for both grpc and traditional http

(grpcServer *grpc.Server, httpHandler http.Handler)

// mixed handler for both grpc and traditional http
func mixedHandler(grpcServer *grpc.Server, httpHandler http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if grpcServer != nil && r.ProtoMajor == 2 && strings.Contains(r.Header.Get(utils.HTTPContentTypeHeaderKey), utils.HTTPContentTypeApplicationGRPC) {
			grpcServer.ServeHTTP(w, r)
		} else {
			httpHandler.ServeHTTP(w, r)
		}
	})
}