Move code to pkg

middlewares/tracing/status_code.go

@@ -1,57 +0,0 @@
-package tracing
-
-import (
-	"bufio"
-	"net"
-	"net/http"
-)
-
-type statusCodeRecoder interface {
-	http.ResponseWriter
-	Status() int
-}
-
-type statusCodeWithoutCloseNotify struct {
-	http.ResponseWriter
-	status int
-}
-
-// WriteHeader captures the status code for later retrieval.
-func (s *statusCodeWithoutCloseNotify) WriteHeader(status int) {
-	s.status = status
-	s.ResponseWriter.WriteHeader(status)
-}
-
-// Status get response status
-func (s *statusCodeWithoutCloseNotify) Status() int {
-	return s.status
-}
-
-// Hijack hijacks the connection
-func (s *statusCodeWithoutCloseNotify) Hijack() (net.Conn, *bufio.ReadWriter, error) {
-	return s.ResponseWriter.(http.Hijacker).Hijack()
-}
-
-// Flush sends any buffered data to the client.
-func (s *statusCodeWithoutCloseNotify) Flush() {
-	if flusher, ok := s.ResponseWriter.(http.Flusher); ok {
-		flusher.Flush()
-	}
-}
-
-type statusCodeWithCloseNotify struct {
-	*statusCodeWithoutCloseNotify
-}
-
-func (s *statusCodeWithCloseNotify) CloseNotify() <-chan bool {
-	return s.ResponseWriter.(http.CloseNotifier).CloseNotify()
-}
-
-// newStatusCodeRecoder returns an initialized statusCodeRecoder.
-func newStatusCodeRecoder(rw http.ResponseWriter, status int) statusCodeRecoder {
-	recorder := &statusCodeWithoutCloseNotify{rw, status}
-	if _, ok := rw.(http.CloseNotifier); ok {
-		return &statusCodeWithCloseNotify{recorder}
-	}
-	return recorder
-}