Function LoggerMiddleware

httpserver/common_middleware.go:109–152

(next http.Handler)

}

func LoggerMiddleware(next http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		metrics := httpsnoop.CaptureMetrics(
			next,
			w,
			r,
		)

		remoteHost := ExtractIP(r)

		uri := r.RequestURI

		if r.ProtoMajor == 2 && r.Method == "CONNECT" {
			uri = r.Host
		}
		if uri == "" {
			uri = r.URL.RequestURI()
		}

		host, port, err := net.SplitHostPort(r.Host)
		if err != nil {
			host = r.Host
			if r.TLS != nil {
				port = "443"
			} else {
				port = "80"
			}
		}

		entry := &loggingEntry{
			Proto:      r.Proto,
			Method:     r.Method,
			URL:        uri,
			StatusCode: metrics.Code,
			Size:       metrics.Written,
			Duration:   metrics.Duration,
			Referer:    r.Referer(),
			RemoteIP:   remoteHost,
			HostName:   host,
			Port:       port,
		}
		entry.Log()
	})
}