How to use Shutdown method of internal Package

Best Ginkgo code snippet using internal.Shutdown

queue_disk_channel.go

Source:queue_disk_channel.go

...118		return q.channelQueue.Push(data)119	}120}121// Run starts to run the queue122func (q *PersistableChannelQueue) Run(atShutdown, atTerminate func(context.Context, func())) {123	log.Debug("PersistableChannelQueue: %s Starting", q.delayedStarter.name)124	q.lock.Lock()125	if q.internal == nil {126		err := q.setInternal(atShutdown, q.channelQueue.handle, q.channelQueue.exemplar)127		q.lock.Unlock()128		if err != nil {129			log.Fatal("Unable to create internal queue for %s Error: %v", q.Name(), err)130			return131		}132	} else {133		q.lock.Unlock()134	}135	atShutdown(context.Background(), q.Shutdown)136	atTerminate(context.Background(), q.Terminate)137	// Just run the level queue - we shut it down later138	go q.internal.Run(func(_ context.Context, _ func()) {}, func(_ context.Context, _ func()) {})139	go func() {140		_ = q.channelQueue.AddWorkers(q.channelQueue.workers, 0)141	}()142	log.Trace("PersistableChannelQueue: %s Waiting til closed", q.delayedStarter.name)143	<-q.closed144	log.Trace("PersistableChannelQueue: %s Cancelling pools", q.delayedStarter.name)145	q.channelQueue.cancel()146	q.internal.(*LevelQueue).cancel()147	log.Trace("PersistableChannelQueue: %s Waiting til done", q.delayedStarter.name)148	q.channelQueue.Wait()149	q.internal.(*LevelQueue).Wait()150	// Redirect all remaining data in the chan to the internal channel151	go func() {152		log.Trace("PersistableChannelQueue: %s Redirecting remaining data", q.delayedStarter.name)153		for data := range q.channelQueue.dataChan {154			_ = q.internal.Push(data)155			atomic.AddInt64(&q.channelQueue.numInQueue, -1)156		}157		log.Trace("PersistableChannelQueue: %s Done Redirecting remaining data", q.delayedStarter.name)158	}()159	log.Trace("PersistableChannelQueue: %s Done main loop", q.delayedStarter.name)160}161// Flush flushes the queue and blocks till the queue is empty162func (q *PersistableChannelQueue) Flush(timeout time.Duration) error {163	var ctx context.Context164	var cancel context.CancelFunc165	if timeout > 0 {166		ctx, cancel = context.WithTimeout(context.Background(), timeout)167	} else {168		ctx, cancel = context.WithCancel(context.Background())169	}170	defer cancel()171	return q.FlushWithContext(ctx)172}173// FlushWithContext flushes the queue and blocks till the queue is empty174func (q *PersistableChannelQueue) FlushWithContext(ctx context.Context) error {175	errChan := make(chan error, 1)176	go func() {177		errChan <- q.channelQueue.FlushWithContext(ctx)178	}()179	go func() {180		q.lock.Lock()181		if q.internal == nil {182			q.lock.Unlock()183			errChan <- fmt.Errorf("not ready to flush internal queue %s yet", q.Name())184			return185		}186		q.lock.Unlock()187		errChan <- q.internal.FlushWithContext(ctx)188	}()189	err1 := <-errChan190	err2 := <-errChan191	if err1 != nil {192		return err1193	}194	return err2195}196// IsEmpty checks if a queue is empty197func (q *PersistableChannelQueue) IsEmpty() bool {198	if !q.channelQueue.IsEmpty() {199		return false200	}201	q.lock.Lock()202	defer q.lock.Unlock()203	if q.internal == nil {204		return false205	}206	return q.internal.IsEmpty()207}208// Shutdown processing this queue209func (q *PersistableChannelQueue) Shutdown() {210	log.Trace("PersistableChannelQueue: %s Shutting down", q.delayedStarter.name)211	q.lock.Lock()212	defer q.lock.Unlock()213	select {214	case <-q.closed:215	default:216		if q.internal != nil {217			q.internal.(*LevelQueue).Shutdown()218		}219		close(q.closed)220		log.Debug("PersistableChannelQueue: %s Shutdown", q.delayedStarter.name)221	}222}223// Terminate this queue and close the queue224func (q *PersistableChannelQueue) Terminate() {225	log.Trace("PersistableChannelQueue: %s Terminating", q.delayedStarter.name)226	q.Shutdown()227	q.lock.Lock()228	defer q.lock.Unlock()229	if q.internal != nil {230		q.internal.(*LevelQueue).Terminate()231	}232	log.Debug("PersistableChannelQueue: %s Terminated", q.delayedStarter.name)233}234func init() {235	queuesMap[PersistableChannelQueueType] = NewPersistableChannelQueue236}...

queue_wrapped.go

Source:queue_wrapped.go

...30	maxAttempts int31	name        string32}33// setInternal must be called with the lock locked.34func (q *delayedStarter) setInternal(atShutdown func(context.Context, func()), handle HandlerFunc, exemplar interface{}) error {35	var ctx context.Context36	var cancel context.CancelFunc37	if q.timeout > 0 {38		ctx, cancel = context.WithTimeout(context.Background(), q.timeout)39	} else {40		ctx, cancel = context.WithCancel(context.Background())41	}42	defer cancel()43	// Ensure we also stop at shutdown44	atShutdown(ctx, func() {45		cancel()46	})47	i := 148	for q.internal == nil {49		select {50		case <-ctx.Done():51			var cfg = q.cfg52			if s, ok := cfg.([]byte); ok {53				cfg = string(s)54			}55			return fmt.Errorf("Timedout creating queue %v with cfg %#v in %s", q.underlying, cfg, q.name)56		default:57			queue, err := NewQueue(q.underlying, handle, q.cfg, exemplar)58			if err == nil {59				q.internal = queue60				break61			}62			if err.Error() != "resource temporarily unavailable" {63				if bs, ok := q.cfg.([]byte); ok {64					log.Warn("[Attempt: %d] Failed to create queue: %v for %s cfg: %s error: %v", i, q.underlying, q.name, string(bs), err)65				} else {66					log.Warn("[Attempt: %d] Failed to create queue: %v for %s cfg: %#v error: %v", i, q.underlying, q.name, q.cfg, err)67				}68			}69			i++70			if q.maxAttempts > 0 && i > q.maxAttempts {71				if bs, ok := q.cfg.([]byte); ok {72					return fmt.Errorf("Unable to create queue %v for %s with cfg %s by max attempts: error: %v", q.underlying, q.name, string(bs), err)73				}74				return fmt.Errorf("Unable to create queue %v for %s with cfg %#v by max attempts: error: %v", q.underlying, q.name, q.cfg, err)75			}76			sleepTime := 100 * time.Millisecond77			if q.timeout > 0 && q.maxAttempts > 0 {78				sleepTime = (q.timeout - 200*time.Millisecond) / time.Duration(q.maxAttempts)79			}80			t := time.NewTimer(sleepTime)81			select {82			case <-ctx.Done():83				util.StopTimer(t)84			case <-t.C:85			}86		}87	}88	return nil89}90// WrappedQueue wraps a delayed starting queue91type WrappedQueue struct {92	delayedStarter93	lock       sync.Mutex94	handle     HandlerFunc95	exemplar   interface{}96	channel    chan Data97	numInQueue int6498}99// NewWrappedQueue will attempt to create a queue of the provided type,100// but if there is a problem creating this queue it will instead create101// a WrappedQueue with delayed startup of the queue instead and a102// channel which will be redirected to the queue103func NewWrappedQueue(handle HandlerFunc, cfg, exemplar interface{}) (Queue, error) {104	configInterface, err := toConfig(WrappedQueueConfiguration{}, cfg)105	if err != nil {106		return nil, err107	}108	config := configInterface.(WrappedQueueConfiguration)109	queue, err := NewQueue(config.Underlying, handle, config.Config, exemplar)110	if err == nil {111		// Just return the queue there is no need to wrap112		return queue, nil113	}114	if IsErrInvalidConfiguration(err) {115		// Retrying ain't gonna make this any better...116		return nil, ErrInvalidConfiguration{cfg: cfg}117	}118	queue = &WrappedQueue{119		handle:   handle,120		channel:  make(chan Data, config.QueueLength),121		exemplar: exemplar,122		delayedStarter: delayedStarter{123			cfg:         config.Config,124			underlying:  config.Underlying,125			timeout:     config.Timeout,126			maxAttempts: config.MaxAttempts,127			name:        config.Name,128		},129	}130	_ = GetManager().Add(queue, WrappedQueueType, config, exemplar)131	return queue, nil132}133// Name returns the name of the queue134func (q *WrappedQueue) Name() string {135	return q.name + "-wrapper"136}137// Push will push the data to the internal channel checking it against the exemplar138func (q *WrappedQueue) Push(data Data) error {139	if !assignableTo(data, q.exemplar) {140		return fmt.Errorf("unable to assign data: %v to same type as exemplar: %v in %s", data, q.exemplar, q.name)141	}142	atomic.AddInt64(&q.numInQueue, 1)143	q.channel <- data144	return nil145}146func (q *WrappedQueue) flushInternalWithContext(ctx context.Context) error {147	q.lock.Lock()148	if q.internal == nil {149		q.lock.Unlock()150		return fmt.Errorf("not ready to flush wrapped queue %s yet", q.Name())151	}152	q.lock.Unlock()153	select {154	case <-ctx.Done():155		return ctx.Err()156	default:157	}158	return q.internal.FlushWithContext(ctx)159}160// Flush flushes the queue and blocks till the queue is empty161func (q *WrappedQueue) Flush(timeout time.Duration) error {162	var ctx context.Context163	var cancel context.CancelFunc164	if timeout > 0 {165		ctx, cancel = context.WithTimeout(context.Background(), timeout)166	} else {167		ctx, cancel = context.WithCancel(context.Background())168	}169	defer cancel()170	return q.FlushWithContext(ctx)171}172// FlushWithContext implements the final part of Flushable173func (q *WrappedQueue) FlushWithContext(ctx context.Context) error {174	log.Trace("WrappedQueue: %s FlushWithContext", q.Name())175	errChan := make(chan error, 1)176	go func() {177		errChan <- q.flushInternalWithContext(ctx)178		close(errChan)179	}()180	select {181	case err := <-errChan:182		return err183	case <-ctx.Done():184		go func() {185			<-errChan186		}()187		return ctx.Err()188	}189}190// IsEmpty checks whether the queue is empty191func (q *WrappedQueue) IsEmpty() bool {192	if atomic.LoadInt64(&q.numInQueue) != 0 {193		return false194	}195	q.lock.Lock()196	defer q.lock.Unlock()197	if q.internal == nil {198		return false199	}200	return q.internal.IsEmpty()201}202// Run starts to run the queue and attempts to create the internal queue203func (q *WrappedQueue) Run(atShutdown, atTerminate func(context.Context, func())) {204	log.Debug("WrappedQueue: %s Starting", q.name)205	q.lock.Lock()206	if q.internal == nil {207		err := q.setInternal(atShutdown, q.handle, q.exemplar)208		q.lock.Unlock()209		if err != nil {210			log.Fatal("Unable to set the internal queue for %s Error: %v", q.Name(), err)211			return212		}213		go func() {214			for data := range q.channel {215				_ = q.internal.Push(data)216				atomic.AddInt64(&q.numInQueue, -1)217			}218		}()219	} else {220		q.lock.Unlock()221	}222	q.internal.Run(atShutdown, atTerminate)223	log.Trace("WrappedQueue: %s Done", q.name)224}225// Shutdown this queue and stop processing226func (q *WrappedQueue) Shutdown() {227	log.Trace("WrappedQueue: %s Shutting down", q.name)228	q.lock.Lock()229	defer q.lock.Unlock()230	if q.internal == nil {231		return232	}233	if shutdownable, ok := q.internal.(Shutdownable); ok {234		shutdownable.Shutdown()235	}236	log.Debug("WrappedQueue: %s Shutdown", q.name)237}238// Terminate this queue and close the queue239func (q *WrappedQueue) Terminate() {240	log.Trace("WrappedQueue: %s Terminating", q.name)241	q.lock.Lock()242	defer q.lock.Unlock()243	if q.internal == nil {244		return245	}246	if shutdownable, ok := q.internal.(Shutdownable); ok {247		shutdownable.Terminate()248	}249	log.Debug("WrappedQueue: %s Terminated", q.name)250}251func init() {252	queuesMap[WrappedQueueType] = NewWrappedQueue253}...

manager.go

Source:manager.go

...16		Name:        "manager",17		Usage:       "Manage the running gitea process",18		Description: "This is a command for managing the running gitea process",19		Subcommands: []cli.Command{20			subcmdShutdown,21			subcmdRestart,22			subcmdFlushQueues,23		},24	}25	subcmdShutdown = cli.Command{26		Name:   "shutdown",27		Usage:  "Gracefully shutdown the running process",28		Action: runShutdown,29	}30	subcmdRestart = cli.Command{31		Name:   "restart",32		Usage:  "Gracefully restart the running process - (not implemented for windows servers)",33		Action: runRestart,34	}35	subcmdFlushQueues = cli.Command{36		Name:   "flush-queues",37		Usage:  "Flush queues in the running process",38		Action: runFlushQueues,39		Flags: []cli.Flag{40			cli.DurationFlag{41				Name:  "timeout",42				Value: 60 * time.Second,43				Usage: "Timeout for the flushing process",44			},45			cli.BoolFlag{46				Name:  "non-blocking",47				Usage: "Set to true to not wait for flush to complete before returning",48			},49		},50	}51)52func runShutdown(c *cli.Context) error {53	setup("manager", false)54	statusCode, msg := private.Shutdown()55	switch statusCode {56	case http.StatusInternalServerError:57		fail("InternalServerError", msg)58	}59	fmt.Fprintln(os.Stdout, msg)60	return nil61}62func runRestart(c *cli.Context) error {63	setup("manager", false)64	statusCode, msg := private.Restart()65	switch statusCode {66	case http.StatusInternalServerError:67		fail("InternalServerError", msg)68	}...

Shutdown

Using AI Code Generation

1func main() {2    s := &Server{}3    s.Shutdown()4}5func main() {6    s := &Server{}7    s.Shutdown()8}9func main() {10    s := &Server{}11    s.Shutdown()12}13func main() {14    s := &Server{}15    s.Shutdown()16}17func main() {18    s := &Server{}19    s.Shutdown()20}21func main() {22    s := &Server{}23    s.Shutdown()24}25func main() {26    s := &Server{}27    s.Shutdown()28}29func main() {30    s := &Server{}31    s.Shutdown()32}33func main() {34    s := &Server{}35    s.Shutdown()36}37func main() {38    s := &Server{}39    s.Shutdown()40}41func main() {42    s := &Server{}43    s.Shutdown()44}45func main() {46    s := &Server{}47    s.Shutdown()48}49func main() {50    s := &Server{}51    s.Shutdown()52}53func main() {54    s := &Server{}55    s.Shutdown()56}57func main() {58    s := &Server{}59    s.Shutdown()60}61func main()

Shutdown

Using AI Code Generation

1import (2func main() {3	fmt.Println("Starting the program")4	time.Sleep(2 * time.Second)5	fmt.Println("The End")6}7import (8func main() {9	fmt.Println("Starting the program")10	time.Sleep(2 * time.Second)11	fmt.Println("The End")12}13import (14func main() {15	fmt.Println("Starting the program")16	time.Sleep(2 * time.Second)17	fmt.Println("The End")18}19import (20func main() {21	fmt.Println("Starting the program")22	time.Sleep(2 * time.Second)23	fmt.Println("The End")24}25import (26func main() {27	fmt.Println("Starting the program")28	time.Sleep(2 * time.Second)29	fmt.Println("The End")30}31import (32func main() {33	fmt.Println("Starting the program")34	time.Sleep(2 * time.Second)35	fmt.Println("The End")36}37import (38func main() {39	fmt.Println("Starting the program")40	time.Sleep(2 * time.Second)41	fmt.Println("The End")42}43import (44func main() {45	fmt.Println("Starting the program")46	time.Sleep(2 * time

Shutdown

Using AI Code Generation

1import (2func main() {3	sig := make(chan os.Signal, 1)4	signal.Notify(sig, syscall.SIGINT, syscall.SIGTERM)5	done := make(chan bool, 1)6	go func() {7		fmt.Println("Starting...")8		Shutdown()9	}()10	select {11	}12	fmt.Println("Done.")13}14import (15func main() {16	sig := make(chan os.Signal, 1)17	signal.Notify(sig, syscall.SIGINT, syscall.SIGTERM)18	done := make(chan bool, 1)19	go func() {20		fmt.Println("Starting...")21		Shutdown()22	}()23	select {24	}25	fmt.Println("Done.")26}27import (28func main() {29	sig := make(chan os.Signal, 1)30	signal.Notify(sig, syscall.SIGINT, syscall.SIGTERM)31	done := make(chan bool, 1)32	go func() {33		fmt.Println("Starting...")34		Shutdown()35	}()36	select {37	}38	fmt.Println("Done.")39}

Shutdown

Using AI Code Generation

1import (2func main() {3	internal.New().Shutdown()4}5type internal struct{}6func New() *internal {7	return &internal{}8}9func (i *internal) Shutdown() {10	println("Shutting down")11}12import (13func TestShutdown(t *testing.T) {14	internal := New()15	internal.Shutdown()16}17# cd /home/username/1; /usr/local/go/pkg/tool/linux_amd64/test2json -t /tmp/go-build568406846/b001/testmain -test.v18--- PASS: TestShutdown (0.00s)19# cd /home/username/1/internal; /usr/local/go/pkg/tool/linux_amd64/test2json -t /tmp/go-build568406846/b001/testmain -test.v20--- FAIL: TestShutdown (0.00s)21testing.tRunner.func1(0xc42008e0f0)22panic(0x55f220, 0xc42000a2b0)23github.com/golang/mock/gomock.(*Controller).Finish(0xc42000a2a0)24panic(0x55f220, 0xc42000a2b0)25github.com/golang/mock/gomock.(*Controller).Finish(0xc42000a2a0)26panic(0x55f220, 0xc42000a2b0

Shutdown

Using AI Code Generation

1import (2type server struct {3}4func (s *server) Shutdown() {5	fmt.Println("Shutting down the server")6	s.Server.Shutdown(nil)7}8func handler(w http.ResponseWriter, r *http.Request) {9	fmt.Fprintf(w, "Hello World")10}11func main() {12	s := &server{13		Server: http.Server{14			Handler: http.HandlerFunc(handler),15		},16	}17	stop := make(chan os.Signal, 1)18	signal.Notify(stop, os.Interrupt, syscall.SIGTERM)19	done := make(chan bool, 1)20	go func() {21		fmt.Println("Starting the server")22		if err := s.ListenAndServe(); err != nil {23			fmt.Println(err)24		}25	}()26	select {27		fmt.Println("Shutting down the server")28		s.Shutdown()29		fmt.Println("Server shutdown")30	}31	time.Sleep(time.Second)32}33import (34func handler(w http.ResponseWriter, r *http.Request) {35	fmt.Fprintf(w, "Hello World")36}37func main() {38	s := &http.Server{39		Handler: http.HandlerFunc(handler),40	}41	stop := make(chan os.Signal, 1)42	signal.Notify(stop, os.Interrupt, syscall.SIGTERM)

Shutdown

Using AI Code Generation

1import (2func main() {3	s := NewServer()4	go s.Run()5	fmt.Println("Server running on port 8080")6	quit := make(chan os.Signal, 1)7	signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)8	log.Println("Shutdown Server ...")9	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)10	defer cancel()11	if err := s.Shutdown(ctx); err != nil {12		log.Fatal("Server Shutdown:", err)13	}14	select {15	case <-ctx.Done():16		log.Println("timeout of 5 seconds.")17	}18	log.Println("Server exiting")19}20import (21type Server struct {22}23func NewServer() *Server {24	return &Server{25		httpServer: &http.Server{26		},27	}28}29func (s *Server) Run() {30	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {31		fmt.Fprintf(w, "Hello World!")32	})33	if err := s.httpServer.ListenAndServe(); err != nil && err != http.ErrServerClosed {34		log.Fatalf("listen: %s\n", err)35	}36}37func (s *Server) Shutdown(ctx context.Context) error {38	return s.httpServer.Shutdown(ctx)39}40func main() {41	s := NewServer()42	go s.Run()43	fmt.Println("Server running on port 8080")44	quit := make(chan os.Signal, 1)45	signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)46	log.Println("Shutdown Server ...")47	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)48	defer cancel()

Shutdown

Using AI Code Generation

1import (2func main() {3	fmt.Println("Go-Internals")4	internal.Shutdown()5}6import "fmt"7func Shutdown() {8	fmt.Println("Shutdown")9}

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