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