How to use Loop method of main Package

Best Syzkaller code snippet using main.Loop

inst.go

Source:inst.go

...12	"github.com/rebuy-de/rebuy-go-sdk/v3/pkg/logutil"13	"github.com/sirupsen/logrus"14)15const (16	metricMainLoopActions                  = "mainloop_actions_total"17	metricMainLoopDrainDuration            = "mainloop_drain_duration"18	metricMainLoopInstanceStateTransitions = "mainloop_instance_state_transitions_total"19	metricMainLoopIterations               = "mainloop_iterations_total"20	metricMainLoopPendingInstances         = "mainloop_pending_instances"21	metricMainLoopPodStats                 = "mainloop_pod_stats"22	metricMainLoopPodTransitions           = "mainloop_pod_transitions_total"23	metricMainLoopSpotStateTransitions     = "mainloop_spot_transitions_total"24)25func InitIntrumentation(ctx context.Context) context.Context {26	ctx = instutil.NewCounterVec(ctx, metricMainLoopActions, "action")27	ctx = instutil.NewHistogram(ctx, metricMainLoopDrainDuration,28		instutil.BucketScale(60, 1, 2, 3, 5, 8, 13, 21, 34)...)29	ctx = instutil.NewCounter(ctx, metricMainLoopIterations)30	ctx = instutil.NewGauge(ctx, metricMainLoopPendingInstances)31	ctx = instutil.NewGaugeVec(ctx, metricMainLoopPodStats, "name")32	ctx = instutil.NewCounterVec(ctx, metricMainLoopPodTransitions, "from", "to")33	ctx = instutil.NewCounterVec(ctx, metricMainLoopInstanceStateTransitions, "from", "to")34	ctx = instutil.NewCounterVec(ctx, metricMainLoopSpotStateTransitions, "from", "to")35	ctx = instutil.NewTransitionCollector(ctx, metricMainLoopPodTransitions)36	ctx = instutil.NewTransitionCollector(ctx, metricMainLoopInstanceStateTransitions)37	ctx = instutil.NewTransitionCollector(ctx, metricMainLoopSpotStateTransitions)38	// Register the already known label values, so Prometheus starts with 0 and39	// not 1 and properly calculates rates.40	c, ok := instutil.CounterVec(ctx, metricMainLoopActions)41	if ok {42		c.WithLabelValues("noop").Add(0)43		c.WithLabelValues("lifecycle-complete").Add(0)44		c.WithLabelValues("lifecycle-delete").Add(0)45	}46	gv, ok := instutil.GaugeVec(ctx, metricMainLoopPodStats)47	if ok {48		gv.WithLabelValues("total").Add(0)49		gv.WithLabelValues("eviction-want").Add(0)50		gv.WithLabelValues("eviction-ready").Add(0)51		gv.WithLabelValues("eviction-unready").Add(0)52	}53	cv, ok := instutil.GaugeVec(ctx, metricMainLoopPodTransitions)54	if ok {55		values := []string{"", "eviction-ready", "eviction-unready"}56		for _, from := range values {57			for _, to := range values {58				cv.WithLabelValues(from, to).Add(0)59			}60		}61	}62	cv, ok = instutil.GaugeVec(ctx, metricMainLoopInstanceStateTransitions)63	if ok {64		values := []string{65			ec2.InstanceStatePending,66			ec2.InstanceStateRunning,67			ec2.InstanceStateTerminated,68			ec2.InstanceStateShuttingDown,69		}70		for _, from := range values {71			for _, to := range values {72				cv.WithLabelValues(from, to).Add(0)73			}74		}75	}76	return ctx77}78func InstMainLoopStarted(ctx context.Context, instances collectors.Instances, pods collectors.Pods) {79	c, ok := instutil.Counter(ctx, metricMainLoopIterations)80	if ok {81		c.Inc()82	}83	// Log instance stats84	g, ok := instutil.Gauge(ctx, metricMainLoopPendingInstances)85	if ok {86		// Note: In the future this should track all instances that have a87		// lifecycle message and are not completed yet. But since we are now88		// still watching the old node-drainer, this schould be fine.89		g.Set(float64(len(instances.90			Select(collectors.HasEC2State(ec2.InstanceStateRunning)).91			Select(collectors.HasLifecycleMessage),92		)))93	}94	var (95		podsThatWantEviction   = pods.Select(PodsThatWantEviction())96		podsReadyForEviction   = pods.Select(PodsReadyForEviction())97		podsUnreadyForEviction = pods.Select(PodsUnreadyForEviction())98	)99	// Log pod stats100	gv, ok := instutil.GaugeVec(ctx, metricMainLoopPodStats)101	if ok {102		gv.WithLabelValues("total").Set(float64(len(pods)))103		gv.WithLabelValues("eviction-want").Set(float64(len(podsThatWantEviction)))104		gv.WithLabelValues("eviction-ready").Set(float64(len(podsReadyForEviction)))105		gv.WithLabelValues("eviction-unready").Set(float64(len(podsUnreadyForEviction)))106	}107	if len(podsThatWantEviction) > 0 {108		logutil.Get(ctx).109			WithField("eviction-want", len(podsThatWantEviction)).110			WithField("eviction-ready", len(podsReadyForEviction)).111			WithField("eviction-unready", len(podsUnreadyForEviction)).112			Debugf("there are %d pods that want eviction (%d ready, %d unready)",113				len(podsThatWantEviction), len(podsReadyForEviction), len(podsUnreadyForEviction),114			)115	}116	// Log pod changes117	tcp := instutil.GetTransitionCollector(ctx, metricMainLoopPodTransitions)118	for _, pod := range podsThatWantEviction {119		name := path.Join(pod.Namespace, pod.Name)120		switch {121		case PodsReadyForEviction()(&pod):122			tcp.Observe(name, "eviction-ready", logutil.FromStruct(pod))123		case PodsUnreadyForEviction()(&pod):124			tcp.Observe(name, "eviction-unready", logutil.FromStruct(pod))125		}126	}127	for _, transition := range tcp.Finish() {128		var (129			from = transition.From130			to   = transition.To131		)132		if from == "" {133			from = "N/A"134		}135		if to == "" {136			to = "N/A"137		}138		logutil.Get(ctx).139			WithField(140				"pod-status-transition",141				fmt.Sprintf("%s -> %s", transition.From, transition.To),142			).143			WithFields(transition.Fields).144			Infof("pod %s changed state: [ %s -> %s ]",145				transition.Name, from, to)146		cv, ok := instutil.CounterVec(ctx, metricMainLoopPodTransitions)147		if ok {148			cv.WithLabelValues(from, to).Inc()149		}150	}151	// Log ec2 state changes152	tci := instutil.GetTransitionCollector(ctx, metricMainLoopInstanceStateTransitions)153	for _, instance := range instances {154		tci.Observe(instance.InstanceID, instance.EC2.State, logutil.FromStruct(instance))155	}156	for _, transition := range tci.Finish() {157		unimmunePods := pods.158			Select(collectors.PodOnInstance(transition.Name)).159			Select(collectors.PodNotImmuneToEviction)160		logger := logutil.Get(ctx).161			WithFields(logrus.Fields{162				"unimmune-pods":        strings.Join(unimmunePods.Names(), ", "),163				"ec2-state-transition": fmt.Sprintf("%s -> %s", transition.From, transition.To),164			}).165			WithFields(transition.Fields)166		if transition.From == "" || transition.To == "" {167			// These transitions are not interesting. We log them in debug168			// level for completeness anyways.169			logger.Debugf("instance %s changed state: [ %s -> %s ]",170				transition.Name, transition.From, transition.To)171			continue172		}173		logger.Infof("instance %s changed state: [ %s -> %s ]",174			transition.Name, transition.From, transition.To)175		cv, ok := instutil.CounterVec(ctx, metricMainLoopInstanceStateTransitions)176		if ok {177			cv.WithLabelValues(transition.From, transition.To).Inc()178		}179		instance := instances.Get(transition.Name)180		if instance != nil && transition.To == ec2.InstanceStateTerminated && instance.EC2.TerminationTime != nil {181			duration := instance.EC2.TerminationTime.Sub(instance.ASG.TriggeredAt)182			logger.Infof("instance drainage took %v", duration)183			m, ok := instutil.Histogram(ctx, metricMainLoopDrainDuration)184			if ok {185				m.Observe(duration.Seconds())186			}187		}188	}189	// Log spot state changes190	tcs := instutil.GetTransitionCollector(ctx, metricMainLoopSpotStateTransitions)191	for _, instance := range instances {192		if instance.Spot.RequestID == "" {193			continue194		}195		tcs.Observe(196			instance.InstanceID,197			strings.TrimRight(path.Join(instance.Spot.State, instance.Spot.StatusCode), "/"),198			logutil.FromStruct(instance),199		)200	}201	for _, transition := range tcs.Finish() {202		logger := logutil.Get(ctx).203			WithField(204				"spot-status-transition",205				fmt.Sprintf("%s -> %s", transition.From, transition.To),206			).207			WithFields(transition.Fields)208		if transition.From == "" || transition.To == "" {209			// These transitions are not interesting. We log them in debug210			// level for completeness anyways.211			logger.Debugf("spot request %s changed status: [ %s -> %s ]",212				transition.Name, transition.From, transition.To)213			continue214		}215		logger.Infof("spot request %s changed status: [ %s -> %s ]",216			transition.Name, transition.From, transition.To)217		cv, ok := instutil.CounterVec(ctx, metricMainLoopSpotStateTransitions)218		if ok {219			cv.WithLabelValues(transition.From, transition.To).Inc()220		}221	}222}223func InstMainLoopNoop(ctx context.Context) {224	logutil.Get(ctx).Debug("mainloop finished without action")225	c, ok := instutil.CounterVec(ctx, metricMainLoopActions)226	if ok {227		c.WithLabelValues("noop").Inc()228	}229}230func InstMainLoopCompletingInstance(ctx context.Context, instance collectors.Instance) {231	logutil.Get(ctx).232		WithFields(logutil.FromStruct(instance)).233		Info("marking node as complete")234	c, ok := instutil.CounterVec(ctx, metricMainLoopActions)235	if ok {236		c.WithLabelValues("lifecycle-complete").Inc()237	}238}239func InstMainLoopCordoningInstance(ctx context.Context, instance collectors.Instance) {240	logutil.Get(ctx).241		WithFields(logutil.FromStruct(instance)).242		Info("applying soft taint on instance (cordon)")243	c, ok := instutil.CounterVec(ctx, metricMainLoopActions)244	if ok {245		c.WithLabelValues("soft-taint").Inc()246	}247}248func InstMainLoopDeletingLifecycleMessage(ctx context.Context, instance collectors.Instance) {249	logutil.Get(ctx).250		WithFields(logutil.FromStruct(instance)).251		Info("deleting lifecycle message from SQS")252	c, ok := instutil.CounterVec(ctx, metricMainLoopActions)253	if ok {254		c.WithLabelValues("lifecycle-delete").Inc()255	}256}257func InstMainLoopDeletingLifecycleMessageAgeSanityCheckFailed(ctx context.Context, instance collectors.Instance, age time.Duration) {258	logutil.Get(ctx).259		WithFields(logutil.FromStruct(instance)).260		Warnf("termination time of %s was triggered just %v ago, assuming that the cache was empty",261			instance.InstanceID, age)262}263func InstMainLoopEvictPod(ctx context.Context, pod collectors.Pod) {264	logutil.Get(ctx).265		WithFields(logutil.FromStruct(pod)).266		Warnf("evicting pod %s", pod.Name)267	c, ok := instutil.CounterVec(ctx, metricMainLoopActions)268	if ok {269		c.WithLabelValues("evict-pod").Inc()270	}271}...

loop.go

Source:loop.go

1package loop2import (3	"runtime"4	"sync"5)6func init() {7	runtime.LockOSThread()8}9var (10	m  sync.Mutex11	ch chan func()12	r  bool13)14// MainBuffered starts the main loop with a buffered queue. This should be15// called from the main() function. It will block until Terminate is called.16func MainBuffered(main func(), buffer uint) {17	m.Lock()18	if ch != nil {19		panic("main loop is already running")20	}21	ch = make(chan func(), buffer)22	r = true23	go main()24	ch <- m.Unlock25	for f := range ch {26		f()27	}28	m.Lock()29	ch = nil30	m.Unlock()31}32// Main creates a main loop with an unbuffered queue. This should be called33// from the main() function. Attempting to start a second main loop results in34// a panic.35func Main(main func()) {36	MainBuffered(main, 0)37}38// Terminate terminates a running main loop. If no main loop is running this is a no-op.39func Terminate() {40	m.Lock()41	if !r {42		// Already terminated43		m.Unlock()44		return45	}46	r = false47	close(ch)48	m.Unlock()49}50// Schedule sends a function to the main loop to be executed. The function51// returns false iff the main loop is not running.52func Schedule(f func()) bool {53	m.Lock()54	if !r {55		m.Unlock()56		return false57	}58	ch <- f59	m.Unlock()60	return true61}62// ScheduleAwait sends a function to the main loop and waits until it has been63// executed. The function returns false iff the main loop is not running.64func ScheduleAwait(f func()) bool {65	c := make(chan struct{})66	r := Schedule(func() {67		f()68		close(c)69	})70	if !r {71		return false72	}73	<-c74	return true75}76// IsRunning indicates if the main looper is currently running.77// This is just a hint that this package is in use. The main loop may have been78// started or terminated by the time you attempt your action.79func IsRunning() bool {80	m.Lock()81	running := r82	m.Unlock()83	return running84}...

main_loop.go

Source:main_loop.go

2/*3#include <glib-object.h>4*/5import "C"6type MainLoop struct {7	Object8}9func (l MainLoop) GMainLoop() *C.GMainLoop {10	return (*C.GMainLoop)(l.GetPtr())11}12func (l MainLoop) Run() {13	C.g_main_loop_run(l.GMainLoop())14}15func (l MainLoop) Quit() {16	C.g_main_loop_quit(l.GMainLoop())17}18func (l MainLoop) IsRunning() bool {19	return C.g_main_loop_is_running(l.GMainLoop()) != 020}21func (l MainLoop) GetContext() *MainContext {22	k := new(MainContext)23	k.SetPtr(Pointer(C.g_main_loop_get_context(l.GMainLoop())))24	return k25}26func NewMainLoop(ctx *MainContext) *MainLoop {27	l := new(MainLoop)28	var c *C.GMainContext29	if ctx != nil {30		c = ctx.GMainContext()31	}32	l.SetPtr(Pointer(C.g_main_loop_new(c, 0)))33	return l34}...

Loop

Using AI Code Generation

1import "fmt"2func main() {3    Loop()4}5import "fmt"6func Loop() {7    for i := 0; i < 5; i++ {8        fmt.Println(i)9    }10}11import "fmt"12func Loop() {13    for i := 0; i < 5; i++ {14        fmt.Println(i)15    }16}17func main() {18    Loop()19}

Loop

Using AI Code Generation

1import (2func main() {3    for i = 0; i < 5; i++ {4        fmt.Println(i)5    }6}7import (8func main() {9    for i = 0; i < 5; i++ {10        fmt.Println(i)11    }12}13import (14func main() {15    for i = 0; i < 5; i++ {16        fmt.Println(i)17    }18}19import (20func main() {21    for i = 0; i < 5; i++ {22        fmt.Println(i)23    }24}

Loop

Using AI Code Generation

1import (2func main() {3	test.Loop()4}5import (6func main() {7	test.Loop()8}9import (10func main() {11	test.Loop()12}13import (14func main() {15	test.Loop()16}17import (18func main() {19	test.Loop()20}21import (22func main() {23	test.Loop()24}25import (26func main() {27	test.Loop()28}29import (30func main() {31	test.Loop()32}33import (34func main() {35	test.Loop()36}37import (38func main() {39	test.Loop()40}41import (42func main() {43	test.Loop()44}45import (46func main() {47	test.Loop()48}49import (50func main() {51	test.Loop()52}

Loop

Using AI Code Generation

1import "fmt"2func main() {3    for i = 0; i < 5; i++ {4        fmt.Printf("Loop : %d5    }6}7import "fmt"8func main() {9    for i = 0; i < 5; i++ {10        fmt.Printf("Loop : %d11    }12    fmt.Printf("Loop is finished13}14import "fmt"15func main() {16    for i = 0; i < 5; i++ {17        fmt.Printf("Loop : %d18    }19    fmt.Printf("Loop is finished20    for i = 0; i < 5; i++ {21        fmt.Printf("Loop : %d22    }23}24import "fmt"25func main() {26    for i = 0; i < 5; i++ {27        fmt.Printf("Loop : %d28    }29    fmt.Printf("Loop is finished30    for i = 0; i < 5; i++ {31        fmt.Printf("Loop : %d32    }33    fmt.Printf("Loop is finished34}

Loop

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println("Hello World!")4    main.Loop()5}6import "fmt"7func main() {8    fmt.Println("Hello World!")9}10func Loop() {11    fmt.Println("Loop")12}13func filterByFirstChar(s []string, c string) []string {14    for _, str := range s {15        if str[0] == c {16            filtered = append(filtered, str)17        }18    }19}20func filterByFirstChar(s []string, c string) []string {21    for _, str := range s {22        for _, char := range c {23            if str[0] == char {24                filtered = append(filtered, str)25            }26        }27    }28}29I get the error "cannot range over c (type string)". I tried converting char to a string using string(char) , but that didn't work. I also tried converting c to a

Loop

Using AI Code Generation

1import "fmt"2func main() {3    Loop()4}5import "fmt"6func main() {7    Loop()8}9import "fmt"10func main() {11    Loop()12}13import "fmt"14func main() {15    Loop()16}17import "fmt"18func main() {19    Loop()20}21import "fmt"22func main() {23    Loop()24}25import "fmt"26func main() {27    Loop()28}29import "fmt"30func main() {31    Loop()32}33import "fmt"34func main() {35    Loop()36}37import "fmt"38func main() {39    Loop()40}41import "fmt"42func main() {43    Loop()44}45import "fmt"46func main() {47    Loop()48}49import "fmt"50func main() {51    Loop()52}

Loop

Using AI Code Generation

1import (2func main() {3    yourproject.Loop()4}5import (6func main() {7    yourproject.Loop()8}9import (10func main() {11    yourproject.Loop()12}13import (14func main() {15    yourproject.Loop()16}17import (18func main() {19    yourproject.Loop()20}21import (22func main() {23    yourproject.Loop()24}25import (26func main() {27    yourproject.Loop()28}29import (30func main() {31    yourproject.Loop()32}33import (34func main() {35    yourproject.Loop()36}37import (38func main() {39    yourproject.Loop()40}41import (42func main() {43    yourproject.Loop()44}

Loop

Using AI Code Generation

1import (2func main() {3	fmt.Println("Enter the number of elements to be inserted")4	fmt.Scanln(&n)5	var arr = make([]int, n)6	fmt.Println("Enter the elements")7	for i := 0; i < n; i++ {8		fmt.Scanln(&arr[i])9	}10	test.Loop(arr)11}12import "fmt"13func Loop(arr []int) {14	for i := 0; i < len(arr); i++ {15		fmt.Println(arr[i])16	}17}18import "fmt"19func main() {20	arr := [5]int{1, 2, 3, 4, 5}21	for _, value := range arr {22		fmt.Println(value)23	}24}25import "fmt"26func main() {27	arr := []int{1, 2, 3, 4, 5}28	for _, value := range arr {29		fmt.Println(value)30	}31}32How to print a slice using fmt.Println() in Golang?

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