61 lines
1.1 KiB
Go
61 lines
1.1 KiB
Go
|
package logger
|
||
|
|
|
||
|
|
import (
|
||
|
|
"log"
|
||
|
|
"net/http"
|
||
|
|
"time"
|
||
|
|
)
|
||
|
|
|
||
|
|
type loggerResponseWriter struct {
|
||
|
|
http.ResponseWriter
|
||
|
|
statusCode int
|
||
|
|
responseSize int
|
||
|
|
}
|
||
|
|
|
||
|
|
func (w *loggerResponseWriter) WriteHeader(statusCode int) {
|
||
|
|
w.statusCode = statusCode
|
||
|
|
w.ResponseWriter.WriteHeader(statusCode)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (w *loggerResponseWriter) Write(b []byte) (int, error) {
|
||
|
|
w.responseSize += len(b)
|
||
|
|
return w.ResponseWriter.Write(b)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (w *loggerResponseWriter) Flush() {
|
||
|
|
if f, ok := w.ResponseWriter.(http.Flusher); ok {
|
||
|
|
f.Flush()
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func Logger(handler http.Handler) http.Handler {
|
||
|
|
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||
|
|
t := time.Now()
|
||
|
|
logger := loggerResponseWriter{w, 0, 0}
|
||
|
|
|
||
|
|
handler.ServeHTTP(&logger, r)
|
||
|
|
|
||
|
|
statusCode := logger.statusCode
|
||
|
|
if statusCode == 0 {
|
||
|
|
statusCode = http.StatusOK
|
||
|
|
}
|
||
|
|
referer := r.Referer()
|
||
|
|
if referer == "" {
|
||
|
|
referer = "-"
|
||
|
|
}
|
||
|
|
log.Printf("HTTP - %s - - [%s] \"%s %s %s\" %d %d \"%s\" \"%s\" %s\n",
|
||
|
|
r.RemoteAddr,
|
||
|
|
t.Format("02/Jan/2006:15:04:05 -0700"),
|
||
|
|
r.Method,
|
||
|
|
r.URL.Path,
|
||
|
|
r.Proto,
|
||
|
|
statusCode,
|
||
|
|
logger.responseSize,
|
||
|
|
referer,
|
||
|
|
r.UserAgent(),
|
||
|
|
time.Since(t),
|
||
|
|
)
|
||
|
|
|
||
|
|
})
|
||
|
|
}
|