func (m *RuntimeWare) logSnapshot(interval time.Duration) {
c := time.Tick(interval)
for _ = range c {
log.Infof("[RuntimeWare] Snapshot server_lived=%s, hits_total=%s, hits_1m=%s, 4xx_5m=%s, hits_5xx=%s, num_goroutine=%s, latency=%s",
time.Since(m.serverStarted),
m.hitsTotal, m.hitsQps, m.hits4xx, m.hits5xx, m.numGoroutine, m.hitsServed)
}
}
// Run the server listen and server at the addr with graceful shutdown supports.
func (s *Server) Run(addr string) error {
timeout := kGracefulTimeout * time.Second
if s.debug {
timeout = 0
}
s.srv = &graceful.Server{
Timeout: timeout,
Server: &http.Server{
Addr: addr,
Handler: s.router,
},
}
log.Infof("Server is listening on %s", addr)
return s.srv.ListenAndServe()
}
// ServeHTTP implements the Middleware interface. Would log all the access, status and performance information.
func (m *StatWare) ServeHTTP(ctx context.Context, w http.ResponseWriter, r *http.Request, next Handler) context.Context {
start := time.Now()
newCtx := next(ctx, w, r)
res := w.(ResponseWriter)
urlPath := r.URL.Path
if res.Status() >= 400 {
log.Warnf("Request %q %q, status=%v, size=%d, duration=%v",
r.Method, r.URL.Path, res.Status(), res.Size(), time.Since(start))
} else {
ignored := false
for _, prefix := range m.ignoredPrefixes {
if strings.HasPrefix(urlPath, prefix) {
ignored = true
break
}
}
if !ignored {
log.Infof("Request %q %q, status=%v, size=%d, duration=%v",
r.Method, r.URL.Path, res.Status(), res.Size(), time.Since(start))
}
}
return newCtx
}