How to use Loop method of main Package

Best Syzkaller code snippet using main.Loop

inst.go

Source:inst.go Github

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...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}...

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loop.go

Source:loop.go Github

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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}...

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main_loop.go

Source:main_loop.go Github

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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}...

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Loop

Using AI Code Generation

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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}

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Loop

Using AI Code Generation

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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}

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Loop

Using AI Code Generation

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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}

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Loop

Using AI Code Generation

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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}

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Loop

Using AI Code Generation

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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

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Loop

Using AI Code Generation

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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}

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Loop

Using AI Code Generation

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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}

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Loop

Using AI Code Generation

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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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