How to use start method of executor Package

Best K6 code snippet using executor.start

lockbased_query_executer.go

Source:lockbased_query_executer.go Github

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...30func (q *lockBasedQueryExecutor) GetStateMultipleKeys(namespace string, keys []string) ([][]byte, error) {31 return q.helper.getStateMultipleKeys(namespace, keys)32}33// GetStateRangeScanIterator implements method in interface `ledger.QueryExecutor`34// startKey is included in the results and endKey is excluded. An empty startKey refers to the first available key35// and an empty endKey refers to the last available key. For scanning all the keys, both the startKey and the endKey36// can be supplied as empty strings. However, a full scan shuold be used judiciously for performance reasons.37func (q *lockBasedQueryExecutor) GetStateRangeScanIterator(namespace string, startKey string, endKey string) (commonledger.ResultsIterator, error) {38 return q.helper.getStateRangeScanIterator(namespace, startKey, endKey)39}40// GetStateRangeScanIteratorWithMetadata implements method in interface `ledger.QueryExecutor`41// startKey is included in the results and endKey is excluded. An empty startKey refers to the first available key42// and an empty endKey refers to the last available key. For scanning all the keys, both the startKey and the endKey43// can be supplied as empty strings. However, a full scan shuold be used judiciously for performance reasons.44// metadata is a map of additional query parameters45func (q *lockBasedQueryExecutor) GetStateRangeScanIteratorWithMetadata(namespace string, startKey string, endKey string, metadata map[string]interface{}) (ledger.QueryResultsIterator, error) {46 return q.helper.getStateRangeScanIteratorWithMetadata(namespace, startKey, endKey, metadata)47}48// ExecuteQuery implements method in interface `ledger.QueryExecutor`49func (q *lockBasedQueryExecutor) ExecuteQuery(namespace, query string) (commonledger.ResultsIterator, error) {50 return q.helper.executeQuery(namespace, query)51}52// ExecuteQueryWithMetadata implements method in interface `ledger.QueryExecutor`53func (q *lockBasedQueryExecutor) ExecuteQueryWithMetadata(namespace, query string, metadata map[string]interface{}) (ledger.QueryResultsIterator, error) {54 return q.helper.executeQueryWithMetadata(namespace, query, metadata)55}56// GetPrivateData implements method in interface `ledger.QueryExecutor`57func (q *lockBasedQueryExecutor) GetPrivateData(namespace, collection, key string) ([]byte, error) {58 return q.helper.getPrivateData(namespace, collection, key)59}60func (q *lockBasedQueryExecutor) GetPrivateDataHash(namespace, collection, key string) ([]byte, error) {61 valueHash, _, err := q.helper.getPrivateDataValueHash(namespace, collection, key)62 return valueHash, err63}64// GetPrivateDataMetadata implements method in interface `ledger.QueryExecutor`65func (q *lockBasedQueryExecutor) GetPrivateDataMetadata(namespace, collection, key string) (map[string][]byte, error) {66 return q.helper.getPrivateDataMetadata(namespace, collection, key)67}68// GetPrivateDataMetadataByHash implements method in interface `ledger.QueryExecutor`69func (q *lockBasedQueryExecutor) GetPrivateDataMetadataByHash(namespace, collection string, keyhash []byte) (map[string][]byte, error) {70 return q.helper.getPrivateDataMetadataByHash(namespace, collection, keyhash)71}72// GetPrivateDataMultipleKeys implements method in interface `ledger.QueryExecutor`73func (q *lockBasedQueryExecutor) GetPrivateDataMultipleKeys(namespace, collection string, keys []string) ([][]byte, error) {74 return q.helper.getPrivateDataMultipleKeys(namespace, collection, keys)75}76// GetPrivateDataRangeScanIterator implements method in interface `ledger.QueryExecutor`77func (q *lockBasedQueryExecutor) GetPrivateDataRangeScanIterator(namespace, collection, startKey, endKey string) (commonledger.ResultsIterator, error) {78 return q.helper.getPrivateDataRangeScanIterator(namespace, collection, startKey, endKey)79}80// ExecuteQueryOnPrivateData implements method in interface `ledger.QueryExecutor`81func (q *lockBasedQueryExecutor) ExecuteQueryOnPrivateData(namespace, collection, query string) (commonledger.ResultsIterator, error) {82 return q.helper.executeQueryOnPrivateData(namespace, collection, query)83}84// Done implements method in interface `ledger.QueryExecutor`85func (q *lockBasedQueryExecutor) Done() {86 logger.Debugf("Done with transaction simulation / query execution [%s]", q.txid)87 q.helper.done()88}...

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unbounded_executor.go

Source:unbounded_executor.go Github

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...21 activeGoroutinesMutex *sync.Mutex22 activeGoroutines map[string]int23}24// GlobalUnboundedExecutor has the life cycle of the program itself25// any goroutine want to be shutdown before main exit can be started from this executor26var GlobalUnboundedExecutor = NewUnboundedExecutor()27func NewUnboundedExecutor() *UnboundedExecutor {28 ctx, cancel := context.WithCancel(context.TODO())29 return &UnboundedExecutor{30 ctx: ctx,31 cancel: cancel,32 activeGoroutinesMutex: &sync.Mutex{},33 activeGoroutines: map[string]int{},34 }35}36func (executor *UnboundedExecutor) Go(handler func(ctx context.Context)) {37 _, file, line, _ := runtime.Caller(1)38 executor.activeGoroutinesMutex.Lock()39 defer executor.activeGoroutinesMutex.Unlock()40 startFrom := fmt.Sprintf("%s:%d", file, line)41 executor.activeGoroutines[startFrom] += 142 go func() {43 defer func() {44 recovered := recover()45 if recovered != nil && recovered != StopSignal {46 LogPanic(recovered)47 }48 executor.activeGoroutinesMutex.Lock()49 defer executor.activeGoroutinesMutex.Unlock()50 executor.activeGoroutines[startFrom] -= 151 }()52 handler(executor.ctx)53 }()54}55func (executor *UnboundedExecutor) Stop() {56 executor.cancel()57}58func (executor *UnboundedExecutor) StopAndWaitForever() {59 executor.StopAndWait(context.Background())60}61func (executor *UnboundedExecutor) StopAndWait(ctx context.Context) {62 executor.cancel()63 for {64 fiveSeconds := time.NewTimer(time.Millisecond * 100)65 select {66 case <-fiveSeconds.C:67 case <-ctx.Done():68 return69 }70 if executor.checkGoroutines() {71 return72 }73 }74}75func (executor *UnboundedExecutor) checkGoroutines() bool {76 executor.activeGoroutinesMutex.Lock()77 defer executor.activeGoroutinesMutex.Unlock()78 for startFrom, count := range executor.activeGoroutines {79 if count > 0 {80 LogInfo("event!unbounded_executor.still waiting goroutines to quit",81 "startFrom", startFrom,82 "count", count)83 return false84 }85 }86 return true87}...

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gopool.go

Source:gopool.go Github

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...24 concurrencyLimit int6425 done chan struct{}26}27func (ex *executor) Execute(task Task) {28 ex.start(task)29}30func (ex *executor) Wait() {31 <-ex.done32}33func (ex *executor) Done() chan struct{} {34 return ex.done35}36func (ex *executor) start(task Task) {37 startCh := make(chan struct{})38 stopCh := make(chan struct{})39 go startTask(startCh, stopCh, task)40 ex.enqueue(startCh)41 go ex.waitDone(stopCh)42}43// NewExecutor returns a new Executor.44func NewExecutor(concurrencyLimit int64) Executor {45 ex := &executor{46 waitingTasks: make([]chan struct{}, 0),47 activeTasks: 0,48 concurrencyLimit: concurrencyLimit,49 done: make(chan struct{}),50 }51 return ex52}53func startTask(startCh, stopCh chan struct{}, task Task) {54 defer close(stopCh)55 <-startCh56 log.Printf("task: %p is running", startCh)57 task.Run()58}59func (ex *executor) enqueue(startCh chan struct{}) {60 ex.lock.Lock()61 defer ex.lock.Unlock()62 if ex.concurrencyLimit == 0 || ex.activeTasks < ex.concurrencyLimit {63 log.Printf("Task: %p start executing", startCh)64 close(startCh)65 ex.activeTasks++66 } else {67 log.Printf("Task: %p start waitting", startCh)68 ex.waitingTasks = append(ex.waitingTasks, startCh)69 }70}71func (ex *executor) waitDone(stopCh chan struct{}) {72 <-stopCh73 ex.lock.Lock()74 defer ex.lock.Unlock()75 if len(ex.waitingTasks) == 0 {76 ex.activeTasks--77 if ex.activeTasks == 0 {78 close(ex.done)79 }80 } else {81 close(ex.waitingTasks[0])82 ex.waitingTasks = ex.waitingTasks[1:]...

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start

Using AI Code Generation

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1import (2func main() {3 cmd := exec.Command("ls", "-l")4 err := cmd.Start()5 if err != nil {6 fmt.Println(err)7 }8 fmt.Println("Command started")9 err = cmd.Wait()10 if err != nil {11 fmt.Println(err)12 }13 fmt.Println("Command finished")14}

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Using AI Code Generation

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1import (2func main() {3 cmd := exec.Command("ls")4 cmd2 := exec.Command("pwd")5 cmd3 := exec.Command("date")6 cmd4 := exec.Command("echo", "Hello World")7 cmd5 := exec.Command("mkdir", "test")8 cmd6 := exec.Command("touch", "test/test.txt")9 cmd7 := exec.Command("cat", "test/test.txt")10 cmd8 := exec.Command("rm", "test/test.txt")11 cmd9 := exec.Command("rmdir", "test")12 cmd10 := exec.Command("whoami")13 cmd11 := exec.Command("hostname")14 cmd12 := exec.Command("uptime")15 cmd13 := exec.Command("uname", "-a")16 cmd14 := exec.Command("df", "-h")17 cmd15 := exec.Command("free", "-m")18 cmd16 := exec.Command("ps", "-ef")19 cmd17 := exec.Command("top", "-b", "-n1")20 cmd18 := exec.Command("netstat", "-tulpn")21 cmd19 := exec.Command("ifconfig")22 cmd20 := exec.Command("ping", "-c 2", "google.com")23 cmd21 := exec.Command("traceroute", "google.com")24 cmd22 := exec.Command("hostname", "-I")

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Using AI Code Generation

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1import (2func main() {3 cmd := exec.Command("ls", "-l")4 cmd.Start()5 fmt.Println("Waiting for command to finish...")6 cmd.Wait()7 fmt.Println("Command finished.")8}9import (10func main() {11 cmd := exec.Command("ls", "-l")12 fmt.Println("Waiting for command to finish...")13 cmd.Run()14 fmt.Println("Command finished.")15}16import (17func main() {18 cmd := exec.Command("ls", "-l")19 fmt.Println("Waiting for command to finish...")20 output, err := cmd.Output()21 if err != nil {22 fmt.Println("Error: ", err)23 }24 fmt.Println("Command finished.")25 fmt.Println("Output: ", string(output))26}27import (28func main() {29 cmd := exec.Command("ls", "-l")30 fmt.Println("Waiting for command to finish...")31 output, err := cmd.CombinedOutput()32 if err != nil {33 fmt.Println("Error: ", err)34 }35 fmt.Println("Command finished.")36 fmt.Println("Output: ", string(output))37}38import (39func main() {40 path, err := exec.LookPath("ls")41 if err != nil {42 fmt.Println("Error: ", err)43 }44 fmt.Println("Path: ", path)45}46import (47func main() {48 path, err := exec.LookPath("ls")49 if err != nil {50 fmt.Println("Error: ", err)51 }52 fmt.Println("Path: ", path)53}54import (55func main() {56 path, err := exec.LookPath("ls")57 if err != nil {58 fmt.Println("Error: ", err

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Using AI Code Generation

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1import (2func main() {3 cmd := exec.Command("ls", "-l")4 stdout, err := cmd.StdoutPipe()5 if err != nil {6 fmt.Println("Error: ", err)7 os.Exit(1)8 }9 if err := cmd.Start(); err != nil {10 fmt.Println("Error: ", err)11 os.Exit(1)12 }13 buf := make([]byte, 100)14 n, err := stdout.Read(buf)15 if err != nil {16 fmt.Println("Error: ", err)17 os.Exit(1)18 }19 fmt.Println("Output: ", string(buf[:n]))20}

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Using AI Code Generation

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1import (2func main() {3 command := exec.Command("notepad.exe")4 err := command.Start()5 if err != nil {6 fmt.Println(err)7 }8 err = command.Wait()9 if err != nil {10 fmt.Println(err)11 }12 fmt.Println("Command is finished")13}14Run() error15import (16func main() {17 command := exec.Command("notepad.exe")18 err := command.Run()19 if err != nil {20 fmt.Println(err)21 }22 fmt.Println("Command is finished")23}24Output() ([]byte, error)25import (26func main() {27 command := exec.Command("ls")28 output, err := command.Output()29 if err != nil {30 fmt.Println(err)31 }32 fmt.Println("Command is finished")33 fmt.Println(string(output))34}

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1import "fmt"2func main(){3 fmt.Println("Enter a number")4 fmt.Scanln(&a)5 fmt.Println("You entered ",a)6}7import "fmt"8type MyThread struct{9}10func (t MyThread) run(){11 fmt.Println("Thread ",t.name," is running")12}13func main(){14 t.run()15}

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Using AI Code Generation

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1import (2func main() {3 cmd := exec.Command("ls", "-l")4 if err := cmd.Run(); err != nil {5 fmt.Println(err)6 }7}8import (9func main() {10 cmd := exec.Command("ls", "-l")11 if err := cmd.Start(); err != nil {12 fmt.Println(err)13 }14 if err := cmd.Wait(); err != nil {15 fmt.Println(err)16 }17}18import (19func main() {20 cmd := exec.Command("ls", "-l")21 if err := cmd.Run(); err != nil {22 fmt.Println(err)23 }24}25import (26func main() {27 cmd := exec.Command("ls", "-l")28 if err := cmd.Start(); err != nil {29 fmt.Println(err)30 }31 if err := cmd.Wait(); err != nil {32 fmt.Println(err)33 }34}35import (36func main() {

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