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How to use start method of executor Package

Best K6 code snippet using executor.start

lockbased_query_executer.go

Source:lockbased_query_executer.go

...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}...

unbounded_executor.go

Source:unbounded_executor.go

...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}...

gopool.go

Source:gopool.go

...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:]...

start

Using AI Code Generation

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}

start

Using AI Code Generation

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")

start

Using AI Code Generation

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

start

Using AI Code Generation

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}

start

Using AI Code Generation

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}

start

Using AI Code Generation

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}

start

Using AI Code Generation

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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