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How to use UpdateListeners method of event Package

Best Testkube code snippet using event.UpdateListeners

server.go

...91type updateListeners struct {92	mu        sync.Mutex93	listeners map[chan struct{}]struct{}94}95func newUpdateListeners() *updateListeners {96	return &updateListeners{97		listeners: make(map[chan struct{}]struct{}),98	}99}100func (u *updateListeners) register() <-chan struct{} {101	u.mu.Lock()102	defer u.mu.Unlock()103	ch := make(chan struct{})104	u.listeners[ch] = struct{}{}105	return ch106}107func (u *updateListeners) remove(ch chan struct{}) {108	u.mu.Lock()109	defer u.mu.Unlock()110	delete(u.listeners, ch)111	close(ch)112}113func (u *updateListeners) notify() {114	u.mu.Lock()115	defer u.mu.Unlock()116	for ch := range u.listeners {117		select {118		case ch <- struct{}{}:119		default:120			go u.remove(ch)121		}122	}123}124// Server represents an http server125type Server struct {126	addr           string127	bin            string128	builder        []string129	closed         chan struct{}130	context        build.Context131	dep            map[string]struct{}132	host           string133	port           int134	resources      *resource135	assets         *resource136	startup        []string137	target         string138	targetDir      string139	stdout         *logger.LogWriter140	stderr         *logger.BufferedLogWriter141	startupTimeout time.Duration142	watcher        *watcher.Watcher143	watcherEvents  chan watcher.Event144	pending        sync.WaitGroup145	updateListeners *updateListeners146	busy    chan bool147	ready   chan error148	stopped chan bool149	started chan bool150	exit    chan bool151	done    chan error152	mu    sync.Mutex153	error error154	once sync.Once155	cmd          *exec.Cmd156	processState uint32157	conf         serverConfig158	proxyPort    int159}160func (srv *Server) setProcessState(state processState) {161	atomic.StoreUint32(&srv.processState, uint32(state))162}163func (srv *Server) getProcessState() processState {164	return processState(atomic.LoadUint32(&srv.processState))165}166func (srv *Server) setError(err error) {167	srv.mu.Lock()168	srv.error = err169	srv.mu.Unlock()170}171func (srv *Server) getError() error {172	srv.mu.Lock()173	defer srv.mu.Unlock()174	return srv.error175}176func (srv *Server) watch(path string) error {177	return srv.watcher.Add(path, srv.watcherEvents)178}179func (srv *Server) unwatch(path string) error {180	return srv.watcher.Remove(path, srv.watcherEvents)181}182func (srv *Server) unwatchAll() error {183	srv.resources.Walk(srv.unwatch)184	srv.assets.Walk(srv.unwatch)185	for p := range srv.dep {186		srv.unwatch(p)187	}188	return nil189}190func (srv *Server) startWatcher() {191	var mu sync.Mutex192	var timer *time.Timer193	for {194		select {195		case event := <-srv.watcherEvents:196			mu.Lock()197			if timer != nil {198				timer.Stop()199				timer = nil200			}201			timer = time.AfterFunc(1*time.Second, func() {202				srv.sync(event.Name)203			})204			mu.Unlock()205		}206	}207}208func (srv *Server) runOnce() {209	srv.once.Do(func() {210		srv.busy <- true211		defer func() {212			srv.started <- true213			go srv.loop()214			<-srv.busy215		}()216		go srv.startWatcher()217		err := srv.build()218		srv.setError(err)219		if err == nil {220			err = srv.start()221			if err != nil {222				srv.setError(fmt.Errorf("%v\nError:%s\n", err, srv.stderr.ReadAll()))223			}224		}225		srv.resources.Walk(srv.watch)226		srv.assets.Walk(srv.watch)227	})228}229func newServer(context build.Context, conf serverConfig, proxyPort int, w *watcher.Watcher) (*Server, error) {230	var err error231	srv := new(Server)232	srv.conf = conf233	srv.proxyPort = proxyPort234	srv.resources, err = newResource(conf.Resources.Paths, conf.Resources.Ignore)235	if err != nil {236		return nil, err237	}238	srv.assets, err = newResource(conf.Assets.Paths, conf.Assets.Ignore)239	if err != nil {240		return nil, err241	}242	srv.startupTimeout = conf.StartupTimeout243	srv.target = strings.TrimSpace(conf.Target)244	srv.targetDir = filepath.Dir(conf.Target)245	srv.bin = strings.TrimSpace(conf.Bin)246	srv.builder = conf.Builder247	if !hasPrefix(srv.target, filepath.SplitList(context.GOPATH)) {248		// Target is not in the $GOPATH249		// Try to guess the import root(workspace) from the path250		roots := importRoots(srv.target)251		if len(roots) > 0 {252			context.GOPATH = strings.Join(append(roots, context.GOPATH), string(filepath.ListSeparator))253		}254	}255	srv.context = context256	if len(srv.builder) == 0 {257		gobin := "go"258		if len(context.GOROOT) > 0 && fileExists(context.GOROOT) {259			gobin = filepath.Join(context.GOROOT, "bin", gobin)260		}261		srv.builder = append(srv.builder, gobin, "build", "-o", srv.bin)262	}263	srv.watcher = w264	srv.watcherEvents = make(chan watcher.Event, 1)265	srv.ready = make(chan error, 1)266	srv.busy = make(chan bool, 1)267	srv.stopped = make(chan bool, 1)268	srv.started = make(chan bool, 1)269	srv.done = make(chan error, 1)270	srv.exit = make(chan bool, 1)271	srv.updateListeners = newUpdateListeners()272	srv.port = conf.Port273	srv.startup = conf.Startup274	srv.host = conf.Host275	srv.stdout = logger.NewLogWriter(os.Stdout, srv.host+"> ", log.LstdFlags)276	srv.stderr = new(logger.BufferedLogWriter)277	return srv, nil278}279func (srv *Server) testConnection(target *url.URL, timeout time.Duration) <-chan error {280	t := time.After(timeout)281	done := make(chan error, 1)282	client := &http.Client{}283	go func() {284		for {285			select {...

emitter.go

Source: emitter.go

...38	e.mutex.Lock()39	defer e.mutex.Unlock()40	e.Listeners = append(e.Listeners, listener)41}42// UpdateListeners updates listeners list43func (e *Emitter) UpdateListeners(listeners common.Listeners) {44	e.mutex.Lock()45	defer e.mutex.Unlock()46	for i, new := range listeners {47		found := false48		for j, old := range e.Listeners {49			if new.Name() == old.Name() {50				e.Listeners[j] = listeners[i]51				found = true52			}53		}54		// if listener is not registered yet we need to subscribe55		if !found {56			e.Listeners = append(e.Listeners, listeners[i])57			e.startListener(listeners[i])58		}59	}60}61// Notify notifies emitter with webhook62func (e *Emitter) Notify(event testkube.Event) {63	err := e.Bus.Publish(event)64	e.Log.Infow("event published", append(event.Log(), "error", err)...)65}66// Listen runs emitter workers responsible for sending HTTP requests67func (e *Emitter) Listen(ctx context.Context) {68	// clean after closing Emitter69	go func() {70		<-ctx.Done()71		e.Log.Warn("closing event bus")72		for _, l := range e.Listeners {73			go e.Bus.Unsubscribe(l.Name())74		}75		e.Bus.Close()76	}()77	e.mutex.Lock()78	defer e.mutex.Unlock()79	for _, l := range e.Listeners {80		go e.startListener(l)81	}82}83func (e *Emitter) startListener(l common.Listener) {84	e.Log.Infow("starting listener", l.Name(), l.Metadata())85	err := e.Bus.Subscribe(l.Name(), e.notifyHandler(l))86	if err != nil {87		e.Log.Errorw("error subscribing to event", "error", err)88	}89}90func (e *Emitter) notifyHandler(l common.Listener) bus.Handler {91	log := e.Log.With("listen-on", l.Events(), "queue-group", l.Name(), "selector", l.Selector(), "metadata", l.Metadata())92	return func(event testkube.Event) error {93		if event.Valid(l.Selector(), l.Events()) {94			l.Notify(event)95			log.Infow("listener notified", event.Log()...)96		} else {97			log.Infow("dropping event not matching selector or type", event.Log()...)98		}99		return nil100	}101}102// Reconcile reloads listeners from all registered reconcilers103func (e *Emitter) Reconcile(ctx context.Context) {104	for {105		select {106		case <-ctx.Done():107			e.Log.Infow("stopping reconciler")108			return109		default:110			listeners := e.Loader.Reconcile()111			e.UpdateListeners(listeners)112			e.Log.Debugw("reconciled listeners", e.Listeners.Log()...)113			time.Sleep(reconcileInterval)114		}115	}116}...

mouselistener.go

Source: mouselistener.go

...31//If no listener is focused, it will do the exact same thing32//with the IsHovered() function33//If no listener is focused and no listener is hovered, the34//function will update zero listener and return false35//UpdateListeners updates AT MOST ONE listener, returns true if one is updated, false otherwise36func UpdateListeners(e MouseEvent) bool {37	for _, l := range Listeners {38		if l.IsFocused() {39			l.Update(e)40			return true41		}42	}43	for _, l := range Listeners {44		if l.IsHovered(e) {45			l.Update(e)46			return true47		}48	}49	return false50}...

UpdateListeners

Using AI Code Generation

1import (2type Event struct {3    listeners []func()4}5func (e *Event) AddListener(listener func()) {6    e.listeners = append(e.listeners, listener)7}8func (e *Event) UpdateListeners() {9    for _, listener := range e.listeners {10        listener()11    }12}13func main() {14    e := &Event{}15    e.AddListener(func() {16        fmt.Println("Listener 1")17    })18    e.AddListener(func() {19        fmt.Println("Listener 2")20    })21    e.UpdateListeners()22}

UpdateListeners

Using AI Code Generation

1import "fmt"2type Event struct {3	listeners []func(string)4}5func (e *Event) Subscribe(listener func(string)) {6	e.listeners = append(e.listeners, listener)7}8func (e *Event) UpdateListeners(data string) {9	for _, listener := range e.listeners {10		listener(data)11	}12}13func main() {14	event := Event{}15	event.Subscribe(func(data string) {16		fmt.Println("Received data: ", data)17	})18	event.UpdateListeners("Hello world")19}20import "fmt"21type Event struct {22	listeners []func(string)23}24func (e *Event) Subscribe(listener func(string)) {25	e.listeners = append(e.listeners, listener)26}27func (e *Event) Unsubscribe(listener func(string)) {28	for i, l := range e.listeners {29		if l == listener {30			e.listeners = append(e.listeners[:i], e.listeners[i+1:]...)31		}32	}33}34func (e *Event) UpdateListeners(data string) {35	for _, listener := range e.listeners {36		listener(data)37	}38}39func main() {40	event := Event{}41	event.Subscribe(func(data string) {42		fmt.Println("Received data: ", data)43	})44	event.UpdateListeners("Hello world")45	event.Unsubscribe(func(data string) {46		fmt.Println("Received data: ", data)47	})48}49import "fmt"50type Event struct {51	listeners []func(string)52}53func (e *Event) Subscribe(listener func(string)) {54	e.listeners = append(e.listeners, listener)55}56func (e *Event) UnsubscribeAll() {57	e.listeners = []func(string){}58}59func (e *Event) UpdateListeners(data string) {60	for _, listener := range e.listeners {61		listener(data)62	}63}64func main() {65	event := Event{}66	event.Subscribe(func(data string) {67		fmt.Println("Received data: ", data)68	})69	event.UpdateListeners("Hello world")70	event.UnsubscribeAll()71}

UpdateListeners

Using AI Code Generation

1import (2type Event struct {3	listeners []func(string)4}5func (e *Event) UpdateListeners(listener func(string)) {6	e.listeners = append(e.listeners, listener)7}8func (e *Event) Notify(data string) {9	for _, listener := range e.listeners {10		listener(data)11	}12}13func main() {14	event := Event{}15	event.UpdateListeners(func(data string) {16		fmt.Println("Listener 1:", data)17	})18	event.UpdateListeners(func(data string) {19		fmt.Println("Listener 2:", data)20	})21	event.Notify("hello")22	time.Sleep(time.Second)23}

UpdateListeners

Using AI Code Generation

1import (2type Event struct {3	Listeners []func(string)4}5func (e *Event) UpdateListeners(listener func(string)) {6	e.Listeners = append(e.Listeners, listener)7}8func (e *Event) Fire(s string) {9	for _, listener := range e.Listeners {10		listener(s)11	}12}13func main() {14	event := &Event{}15	event.UpdateListeners(func(s string) {16		fmt.Println("listener 1 called ", s)17	})18	event.UpdateListeners(func(s string) {19		fmt.Println("listener 2 called ", s)20	})21	event.Fire("Hello")22}23import (24type Event struct {25	Listeners []func(string)26}27func (e *Event) UpdateListeners(listener func(string)) {28	e.Listeners = append(e.Listeners, listener)29}30func (e *Event) Fire(s string) {31	for _, listener := range e.Listeners {32		listener(s)33	}34}35func main() {36	event := &Event{}37	event.UpdateListeners(func(s string) {38		fmt.Println("listener 1 called ", s)39	})40	event.UpdateListeners(func(s string) {41		fmt.Println("listener 2 called ", s)42	})43	event.Fire("Hello")44}45import (46type Event struct {47	Listeners []func(string)48}49func (e *Event) UpdateListeners(listener func(string)) {50	e.Listeners = append(e.Listeners, listener)51}52func (e *Event) Fire(s string) {53	for _, listener := range e.Listeners {54		listener(s)55	}56}57func main() {58	event := &Event{}59	event.UpdateListeners(func(s string) {60		fmt.Println("listener 1 called ", s)61	})62	event.UpdateListeners(func(s string) {63		fmt.Println("listener 2 called ", s)64	})65	event.Fire("Hello")66}

UpdateListeners

Using AI Code Generation

1import (2type Event struct {3    listeners []func(string)4}5func (e *Event) UpdateListeners(listener func(string)) {6    e.listeners = append(e.listeners, listener)7}8func (e *Event) Fire(s string) {9    for _, listener := range e.listeners {10        listener(s)11    }12}13func main() {14    e := Event{}15    e.UpdateListeners(func(s string) {16        fmt.Println("Listener 1:", s)17    })18    e.UpdateListeners(func(s string) {19        fmt.Println("Listener 2:", s)20    })21    e.Fire("Hello")22}

UpdateListeners

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello World")4	e := new(event)5	e.UpdateListeners(1)6	e.UpdateListeners(2)7	e.UpdateListeners(3)8	e.UpdateListeners(4)9	e.UpdateListeners(5)10	e.UpdateListeners(6)11	e.UpdateListeners(7)12	e.UpdateListeners(8)13	e.UpdateListeners(9)14	e.UpdateListeners(10)15	e.UpdateListeners(11)16	e.UpdateListeners(12)17	e.UpdateListeners(13)18	e.UpdateListeners(14)19	e.UpdateListeners(15)20	e.UpdateListeners(16)21	e.UpdateListeners(17)22	e.UpdateListeners(18)23	e.UpdateListeners(19)24	e.UpdateListeners(20)25	e.UpdateListeners(21)26	e.UpdateListeners(22)27	e.UpdateListeners(23)28	e.UpdateListeners(24)29	e.UpdateListeners(25)30	e.UpdateListeners(26)31	e.UpdateListeners(27)32	e.UpdateListeners(28)33	e.UpdateListeners(29)34	e.UpdateListeners(30)35	e.UpdateListeners(31)36	e.UpdateListeners(32)37	e.UpdateListeners(33)38	e.UpdateListeners(34)39	e.UpdateListeners(35)40	e.UpdateListeners(36)41	e.UpdateListeners(37)42	e.UpdateListeners(38)43	e.UpdateListeners(39)44	e.UpdateListeners(40)45	e.UpdateListeners(41)46	e.UpdateListeners(42)47	e.UpdateListeners(43)48	e.UpdateListeners(44)49	e.UpdateListeners(45)50	e.UpdateListeners(46)51	e.UpdateListeners(47)52	e.UpdateListeners(48)53	e.UpdateListeners(49)54	e.UpdateListeners(50)55	e.UpdateListeners(51)56	e.UpdateListeners(52)57	e.UpdateListeners(53)58	e.UpdateListeners(54)59	e.UpdateListeners(55)60	e.UpdateListeners(56)61	e.UpdateListeners(57)62	e.UpdateListeners(58)63	e.UpdateListeners(59)64	e.UpdateListeners(60)65	e.UpdateListeners(61)66	e.UpdateListeners(62)67	e.UpdateListeners(63)68	e.UpdateListeners(64)69	e.UpdateListeners(65)70	e.UpdateListeners(66)71	e.UpdateListeners(67)72	e.UpdateListeners(68)73	e.UpdateListeners(69)74	e.UpdateListeners(70)75	e.UpdateListeners(71)76	e.UpdateListeners(72)77	e.UpdateListeners(73)78	e.UpdateListeners(74)79	e.UpdateListeners(75)80	e.UpdateListeners(76)81	e.UpdateListeners(77)82	e.UpdateListeners(78)

UpdateListeners

Using AI Code Generation

1import (2func main() {3	config := sarama.NewConfig()4	client, err := sarama.NewClient([]string{"localhost:9092"}, config)5	if err != nil {6		panic(err)7	}8	defer client.Close()9	consumer, err := sarama.NewConsumerFromClient(client)10	if err != nil {11		panic(err)12	}13	defer consumer.Close()14	partitionList, err := consumer.Partitions(topic)15	if err != nil {16		panic(err)17	}18	for partition := range partitionList {19		pc, err := consumer.ConsumePartition(topic, int32(partition), sarama.OffsetOldest)20		if err != nil {21			panic(err)22		}23		defer pc.AsyncClose()24		for msg := range pc.Messages() {25			fmt.Printf("Partition: %d, Offset: %d, Key: %s, Value: %s26		}27	}28}

UpdateListeners

Using AI Code Generation

1import (2func main() {3	event := new(Event)4	listener := new(Listener)5	event.AddListener(listener)6	event.UpdateListeners()7}8type Event struct {9}10type Listener struct {11}12func (event *Event) AddListener(listener Listener) {13	event.listeners = append(event.listeners, listener)14}15func (event *Event) UpdateListeners() {16	for _, listener := range event.listeners {17		listener.Update()18	}19}20func (listener *Listener) Update() {21	fmt.Println("Updating listeners")22}23import (24func main() {25	event := new(Event)26	listener := new(Listener)27	event.AddListener(listener)28	event.UpdateListeners()29}30type Event struct {31}32type Listener struct {33}34func (event *Event) AddListener(listener Listener) {35	event.listeners = append(event.listeners, listener)36}37func (event *Event) UpdateListeners() {38	for _, listener := range event.listeners {39		listener.Update()40	}41}42func (listener *Listener) Update() {43	fmt.Println("Updating listeners")44}45import (46func main() {47	event := new(Event)48	listener := new(Listener)49	event.AddListener(listener)

UpdateListeners

Using AI Code Generation

1import "fmt"2func main() {3event := NewEvent()4listener := NewListener()5event.AddListener(listener)6event.Trigger("Event triggered")7listener.Update("Listener updated")8event.Trigger("Event triggered again")9}10import "fmt"11func main() {12event := NewEvent()13listener := NewListener()14event.AddListener(listener)15event.Trigger("Event triggered")16event.RemoveListener(listener)17event.Trigger("Event triggered again")18}19import "fmt"20func main() {21event := NewEvent()22listener := NewListener()23event.AddListener(listener)24event.Trigger("Event triggered")25event.RemoveAllListeners()26event.Trigger("Event triggered again")27}28import "fmt"29func main() {30event := NewEvent()31listener := NewListener()32event.AddListener(listener)33event.Trigger("Event triggered")34event.RemoveAllListeners()35event.Trigger("Event triggered again")36}37import "fmt"38func main() {39event := NewEvent()40listener := NewListener()41event.AddListener(listener)42event.Trigger("Event triggered")43event.RemoveAllListeners()44event.Trigger("Event triggered again")45}

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