How to use measureAndEmitMetrics method of httpext Package

Best K6 code snippet using httpext.measureAndEmitMetrics

transport.go

Source:transport.go

...73	}74}75// Helper method to finish the tracer trail, assemble the tag values and emits76// the metric samples for the supplied unfinished request.77func (t *transport) measureAndEmitMetrics(unfReq *unfinishedRequest) *finishedRequest {78	trail := unfReq.tracer.Done()79	tags := map[string]string{}80	for k, v := range t.tags {81		tags[k] = v82	}83	result := &finishedRequest{84		unfinishedRequest: unfReq,85		trail:             trail,86	}87	enabledTags := t.state.Options.SystemTags88	if unfReq.err != nil {89		result.errorCode, result.errorMsg = errorCodeForError(unfReq.err)90		if enabledTags.Has(stats.TagError) {91			tags["error"] = result.errorMsg92		}93		if enabledTags.Has(stats.TagErrorCode) {94			tags["error_code"] = strconv.Itoa(int(result.errorCode))95		}96		if enabledTags.Has(stats.TagStatus) {97			tags["status"] = "0"98		}99	} else {100		if enabledTags.Has(stats.TagURL) {101			u := URL{u: unfReq.request.URL, URL: unfReq.request.URL.String()}102			tags["url"] = u.Clean()103		}104		if enabledTags.Has(stats.TagStatus) {105			tags["status"] = strconv.Itoa(unfReq.response.StatusCode)106		}107		if unfReq.response.StatusCode >= 400 {108			if enabledTags.Has(stats.TagErrorCode) {109				result.errorCode = errCode(1000 + unfReq.response.StatusCode)110				tags["error_code"] = strconv.Itoa(int(result.errorCode))111			}112		}113		if enabledTags.Has(stats.TagProto) {114			tags["proto"] = unfReq.response.Proto115		}116		if unfReq.response.TLS != nil {117			tlsInfo, oscp := netext.ParseTLSConnState(unfReq.response.TLS)118			if enabledTags.Has(stats.TagTLSVersion) {119				tags["tls_version"] = tlsInfo.Version120			}121			if enabledTags.Has(stats.TagOCSPStatus) {122				tags["ocsp_status"] = oscp.Status123			}124			result.tlsInfo = tlsInfo125		}126	}127	if enabledTags.Has(stats.TagIP) && trail.ConnRemoteAddr != nil {128		if ip, _, err := net.SplitHostPort(trail.ConnRemoteAddr.String()); err == nil {129			tags["ip"] = ip130		}131	}132	trail.SaveSamples(stats.IntoSampleTags(&tags))133	stats.PushIfNotCancelled(unfReq.ctx, t.state.Samples, trail)134	return result135}136func (t *transport) saveCurrentRequest(currentRequest *unfinishedRequest) {137	t.lastRequestLock.Lock()138	unprocessedRequest := t.lastRequest139	t.lastRequest = currentRequest140	t.lastRequestLock.Unlock()141	if unprocessedRequest != nil {142		// This shouldn't happen, since we have one transport per request, but just in case...143		t.state.Logger.Warnf("TracerTransport: unexpected unprocessed request for %s", unprocessedRequest.request.URL)144		t.measureAndEmitMetrics(unprocessedRequest)145	}146}147func (t *transport) processLastSavedRequest(lastErr error) *finishedRequest {148	t.lastRequestLock.Lock()149	unprocessedRequest := t.lastRequest150	t.lastRequest = nil151	t.lastRequestLock.Unlock()152	if unprocessedRequest != nil {153		// We don't want to overwrite any previous errors, but if there were154		// none and we (i.e. the MakeRequest() function) have one, save it155		// before we emit the metrics.156		if unprocessedRequest.err == nil && lastErr != nil {157			unprocessedRequest.err = lastErr158		}159		return t.measureAndEmitMetrics(unprocessedRequest)160	}161	return nil162}163// RoundTrip is the implementation of http.RoundTripper164func (t *transport) RoundTrip(req *http.Request) (*http.Response, error) {165	t.processLastSavedRequest(nil)166	ctx := req.Context()167	tracer := &Tracer{}168	reqWithTracer := req.WithContext(httptrace.WithClientTrace(ctx, tracer.Trace()))169	resp, err := t.state.Transport.RoundTrip(reqWithTracer)170	t.saveCurrentRequest(&unfinishedRequest{171		ctx:      ctx,172		tracer:   tracer,173		request:  req,...

transport_test.go

Source:transport_test.go

...64		},65	}66	b.Run("no responseCallback", func(b *testing.B) {67		for i := 0; i < b.N; i++ {68			t.measureAndEmitMetrics(unfRequest)69		}70	})71	t.responseCallback = func(n int) bool { return true }72	b.Run("responseCallback", func(b *testing.B) {73		for i := 0; i < b.N; i++ {74			t.measureAndEmitMetrics(unfRequest)75		}76	})77}...

measureAndEmitMetrics

Using AI Code Generation

1import (2func main() {3	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {4		fmt.Fprintf(w, "Hello, %q", r.URL.Path)5	})6	fmt.Println("Starting the server")7	http.ListenAndServe(":8080", nil)8}9import (10func main() {11	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {12		fmt.Fprintf(w, "Hello, %q", r.URL.Path)13	})14	fmt.Println("Starting the server")15	http.ListenAndServe(":8080", nil)16}17import (18func main() {19	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {20		fmt.Fprintf(w, "Hello, %q", r.URL.Path)21	})22	fmt.Println("Starting the server")23	http.ListenAndServe(":8080", nil)24}25import (26func main() {27	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {28		fmt.Fprintf(w, "Hello, %q", r.URL.Path)29	})30	fmt.Println("Starting the server")31	http.ListenAndServe(":8080", nil)32}33import (34func main() {35	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {36		fmt.Fprintf(w, "Hello, %q", r.URL.Path)37	})38	fmt.Println("Starting the server")39	http.ListenAndServe(":8080", nil)40}41import (42func main() {43	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {44		fmt.Fprintf(w, "Hello, %q", r.URL.Path

measureAndEmitMetrics

Using AI Code Generation

1import (2func main() {3	httpext := netext.NewHTTPExt(lib.Options{})4	if err != nil {5		panic(err)6	}7	resp := &http.Response{8		Header:     make(http.Header),9	}10	metrics := &types.Metrics{}11	trace := &types.Trace{}12	group := &lib.Group{}13	startTime := time.Now()14	httpext.MeasureAndEmitMetrics(req, resp, metrics, trace, group, iteration, startTime)15}16{"type":"Point","data":{"time":"2018-12-25T12:47:03.824Z","value":0,"tags

measureAndEmitMetrics

Using AI Code Generation

1httpext := httpext{}2httpext.measureAndEmitMetrics("1.go")3httpext := httpext{}4httpext.measureAndEmitMetrics("2.go")5httpext := httpext{}6httpext.measureAndEmitMetrics("1.go")7httpext := httpext{}8httpext.measureAndEmitMetrics("2.go")9httpext := httpext{}10httpext.measureAndEmitMetrics("1.go")11httpext := httpext{}12httpext.measureAndEmitMetrics("2.go")13httpext := httpext{}14httpext.measureAndEmitMetrics("1.go")15httpext := httpext{}16httpext.measureAndEmitMetrics("2.go")17httpext := httpext{}18httpext.measureAndEmitMetrics("1.go")19httpext := httpext{}20httpext.measureAndEmitMetrics("2.go")21httpext := httpext{}22httpext.measureAndEmitMetrics("1.go")23httpext := httpext{}24httpext.measureAndEmitMetrics("2.go")25httpext := httpext{}26httpext.measureAndEmitMetrics("1.go")27httpext := httpext{}28httpext.measureAndEmitMetrics("2.go")

measureAndEmitMetrics

Using AI Code Generation

1import (2func init() {3    if err := mb.Registry.AddMetricSet("http", "json", New, hostParser); err != nil {4        panic(err)5    }6}7var hostParser = parse.URLHostParserBuilder{8}.Build()9type MetricSet struct {

measureAndEmitMetrics

Using AI Code Generation

1import (2func main() {3	http := httpext{}4	metrics := metrics{}5	logger := logger{}6	request := request{}7	response := response{}8	context := context{}9	http = httpext{}10	metrics = metrics{}11	logger = logger{}12	request = request{}13	response = response{}14	context = context{}15	response = response{statusCode: 200, body: "Hello World", headers: map[string]string{"Content-Type": "application/json"}}16	context = context{request: request, response: response}17	logger = logger{level: "INFO", message: "Hello World"}18	metrics = metrics{duration: 1000, success: true, error: "Error"}19	http.measureAndEmitMetrics(context, metrics, logger)20}21import (22type httpext struct {23}24type metrics struct {25}26type logger struct {27}28type request struct {

measureAndEmitMetrics

Using AI Code Generation

1import (2func main() {3    fmt.Println("Hello, World!")4}5import (6func main() {7    Println("Hello, World!")8}9The dot operator is used to import a package and use the package name as the prefix for the functions and

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