Golang timer.Timer类代码示例

// WrapHandler wraps an httpctx.Handler in the paraphernalia needed by devd for
// logging, latency, and so forth.
func (dd *Devd) WrapHandler(log termlog.Logger, next httpctx.Handler) http.Handler {
	h := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		revertOriginalHost(r)
		timr := timer.Timer{}
		sublog := log.Group()
		defer func() {
			timing := termlog.DefaultPalette.Timestamp.SprintFunc()("timing: ")
			sublog.SayAs("timer", timing+timr.String())
			sublog.Done()
		}()
		if matchStringAny(dd.IgnoreLogs, fmt.Sprintf("%s%s", r.URL.Host, r.RequestURI)) {
			sublog.Quiet()
		}
		timr.RequestHeaders()
		time.Sleep(time.Millisecond * time.Duration(dd.Latency))
		sublog.Say("%s %s", r.Method, r.URL)
		LogHeader(sublog, r.Header)
		ctx := timr.NewContext(context.Background())
		ctx = termlog.NewContext(ctx, sublog)
		next.ServeHTTPContext(
			ctx,
			&ResponseLogWriter{Log: sublog, Resp: w, Timer: &timr},
			r,
		)
	})
	return h
}

// WrapHandler wraps an httpctx.Handler in the paraphernalia needed by devd for
// logging, latency, and so forth.
func (dd *Devd) WrapHandler(log termlog.TermLog, next httpctx.Handler) http.Handler {
	h := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		revertOriginalHost(r)
		timr := timer.Timer{}
		sublog := log.Group()
		defer func() {
			timing := termlog.DefaultPalette.Timestamp.SprintFunc()("timing: ")
			sublog.SayAs("timer", timing+timr.String())
			sublog.Done()
		}()
		if matchStringAny(dd.IgnoreLogs, fmt.Sprintf("%s%s", r.URL.Host, r.RequestURI)) {
			sublog.Quiet()
		}
		timr.RequestHeaders()
		time.Sleep(time.Millisecond * time.Duration(dd.Latency))

		dpath := r.URL.String()
		if !strings.HasPrefix(dpath, "/") {
			dpath = "/" + dpath
		}
		sublog.Say("%s %s", r.Method, dpath)
		LogHeader(sublog, r.Header)
		ctx := timr.NewContext(context.Background())
		ctx = termlog.NewContext(ctx, sublog)
		if dd.AddHeaders != nil {
			for h, vals := range *dd.AddHeaders {
				if strings.ToLower(h) == "host" {
					if len(vals) > 0 {
						r.Host = vals[0]
					}
				} else {
					for _, v := range vals {
						w.Header().Set(h, v)
					}
				}
			}
		}

		next.ServeHTTPContext(
			ctx,
			&ResponseLogWriter{Log: sublog, Resp: w, Timer: &timr},
			r,
		)
	})
	return h
}

func devdHandler(log termlog.Logger, route Route, templates *template.Template, logHeaders bool, ignoreHeaders []*regexp.Regexp, livereload bool, latency int) http.Handler {
	ci := inject.CopyInject{}
	if livereload {
		ci = injectLivereload
	}
	next := route.Endpoint.Handler(templates, ci)
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		var sublog termlog.Logger
		if matchStringAny(ignoreHeaders, fmt.Sprintf("%s%s", route.Host, r.RequestURI)) {
			sublog = termlog.DummyLogger{}
		} else {
			sublog = log.Group()
		}
		timr := timer.Timer{}
		defer func() {
			timing := termlog.DefaultPalette.Timestamp.SprintFunc()("timing: ")
			sublog.SayAs(
				"timer",
				timing+timr.String(),
			)
			sublog.Done()
		}()
		timr.RequestHeaders()
		time.Sleep(time.Millisecond * time.Duration(latency))
		sublog.Say("%s %s", r.Method, r.URL)
		if logHeaders {
			LogHeader(sublog, r.Header)
		}
		ctx := timr.NewContext(context.Background())
		ctx = termlog.NewContext(ctx, sublog)
		next.ServeHTTPContext(
			ctx,
			&ResponseLogWriter{
				log:        sublog,
				rw:         w,
				timr:       &timr,
				logHeaders: logHeaders,
			},
			r,
		)
	})
}

// RouteHandler handles a single route
func (dd *Devd) RouteHandler(log termlog.Logger, route Route, templates *template.Template) http.Handler {
	ci := inject.CopyInject{}
	if dd.HasLivereload() {
		ci = livereload.Injector
	}
	next := route.Endpoint.Handler(templates, ci)
	h := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		timr := timer.Timer{}
		sublog := log.Group()
		defer func() {
			timing := termlog.DefaultPalette.Timestamp.SprintFunc()("timing: ")
			sublog.SayAs(
				"timer",
				timing+timr.String(),
			)
			sublog.Done()
		}()

		if matchStringAny(dd.IgnoreLogs, fmt.Sprintf("%s%s", route.Host, r.RequestURI)) {
			sublog.Quiet()
		}
		timr.RequestHeaders()
		time.Sleep(time.Millisecond * time.Duration(dd.Latency))
		sublog.Say("%s %s", r.Method, r.URL)
		LogHeader(sublog, r.Header)
		ctx := timr.NewContext(context.Background())
		ctx = termlog.NewContext(ctx, sublog)
		next.ServeHTTPContext(
			ctx,
			&ResponseLogWriter{
				Log:   sublog,
				Resp:  w,
				Timer: &timr,
			},
			r,
		)
	})
	return http.StripPrefix(route.Path, h)
}