traefik/pkg/middlewares/tracing/status_code.go

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package tracing
import (
"bufio"
"net"
"net/http"
)
// newStatusCodeRecorder returns an initialized statusCodeRecoder.
func newStatusCodeRecorder(rw http.ResponseWriter, status int) *statusCodeRecorder {
return &statusCodeRecorder{rw, status}
}
type statusCodeRecorder struct {
http.ResponseWriter
status int
}
// WriteHeader captures the status code for later retrieval.
func (s *statusCodeRecorder) WriteHeader(status int) {
s.status = status
s.ResponseWriter.WriteHeader(status)
}
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// Status get response status.
func (s *statusCodeRecorder) Status() int {
return s.status
}
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// Hijack hijacks the connection.
func (s *statusCodeRecorder) Hijack() (net.Conn, *bufio.ReadWriter, error) {
return s.ResponseWriter.(http.Hijacker).Hijack()
}
// Flush sends any buffered data to the client.
func (s *statusCodeRecorder) Flush() {
if flusher, ok := s.ResponseWriter.(http.Flusher); ok {
flusher.Flush()
}
}