How to use wakeup method of eventloop Package

Best K6 code snippet using eventloop.wakeup

eventloop.go

Source:eventloop.go

...25	jobCount int3226	canRun   bool27	auxJobs     []func()28	auxJobsLock sync.Mutex29	wakeup      chan struct{}30	stopCond *sync.Cond31	running  bool32	enableConsole bool33	registry      *require.Registry34}35func NewEventLoop(opts ...Option) *EventLoop {36	vm := goja.New()37	loop := &EventLoop{38		vm:            vm,39		jobChan:       make(chan func()),40		wakeup:        make(chan struct{}, 1),41		stopCond:      sync.NewCond(&sync.Mutex{}),42		enableConsole: true,43	}44	for _, opt := range opts {45		opt(loop)46	}47	if loop.registry == nil {48		loop.registry = new(require.Registry)49	}50	loop.registry.Enable(vm)51	if loop.enableConsole {52		console.Enable(vm)53	}54	vm.Set("setTimeout", loop.setTimeout)55	vm.Set("setInterval", loop.setInterval)56	vm.Set("clearTimeout", loop.clearTimeout)57	vm.Set("clearInterval", loop.clearInterval)58	return loop59}60type Option func(*EventLoop)61// EnableConsole controls whether the "console" module is loaded into62// the runtime used by the loop.  By default, loops are created with63// the "console" module loaded, pass EnableConsole(false) to64// NewEventLoop to disable this behavior.65func EnableConsole(enableConsole bool) Option {66	return func(loop *EventLoop) {67		loop.enableConsole = enableConsole68	}69}70func WithRegistry(registry *require.Registry) Option {71	return func(loop *EventLoop) {72		loop.registry = registry73	}74}75func (loop *EventLoop) schedule(call goja.FunctionCall, repeating bool) goja.Value {76	if fn, ok := goja.AssertFunction(call.Argument(0)); ok {77		delay := call.Argument(1).ToInteger()78		var args []goja.Value79		if len(call.Arguments) > 2 {80			args = call.Arguments[2:]81		}82		f := func() { fn(nil, args...) }83		loop.jobCount++84		if repeating {85			return loop.vm.ToValue(loop.addInterval(f, time.Duration(delay)*time.Millisecond))86		} else {87			return loop.vm.ToValue(loop.addTimeout(f, time.Duration(delay)*time.Millisecond))88		}89	}90	return nil91}92func (loop *EventLoop) setTimeout(call goja.FunctionCall) goja.Value {93	return loop.schedule(call, false)94}95func (loop *EventLoop) setInterval(call goja.FunctionCall) goja.Value {96	return loop.schedule(call, true)97}98// SetTimeout schedules to run the specified function in the context99// of the loop as soon as possible after the specified timeout period.100// SetTimeout returns a Timer which can be passed to ClearTimeout.101// The instance of goja.Runtime that is passed to the function and any Values derived102// from it must not be used outside of the function. SetTimeout is103// safe to call inside or outside of the loop.104func (loop *EventLoop) SetTimeout(fn func(*goja.Runtime), timeout time.Duration) *Timer {105	t := loop.addTimeout(func() { fn(loop.vm) }, timeout)106	loop.addAuxJob(func() {107		loop.jobCount++108	})109	return t110}111// ClearTimeout cancels a Timer returned by SetTimeout if it has not run yet.112// ClearTimeout is safe to call inside or outside of the loop.113func (loop *EventLoop) ClearTimeout(t *Timer) {114	loop.addAuxJob(func() {115		loop.clearTimeout(t)116	})117}118// SetInterval schedules to repeatedly run the specified function in119// the context of the loop as soon as possible after every specified120// timeout period.  SetInterval returns an Interval which can be121// passed to ClearInterval. The instance of goja.Runtime that is passed to the122// function and any Values derived from it must not be used outside of123// the function. SetInterval is safe to call inside or outside of the124// loop.125func (loop *EventLoop) SetInterval(fn func(*goja.Runtime), timeout time.Duration) *Interval {126	i := loop.addInterval(func() { fn(loop.vm) }, timeout)127	loop.addAuxJob(func() {128		loop.jobCount++129	})130	return i131}132// ClearInterval cancels an Interval returned by SetInterval.133// ClearInterval is safe to call inside or outside of the loop.134func (loop *EventLoop) ClearInterval(i *Interval) {135	loop.addAuxJob(func() {136		loop.clearInterval(i)137	})138}139func (loop *EventLoop) setRunning() {140	loop.stopCond.L.Lock()141	if loop.running {142		panic("Loop is already started")143	}144	loop.running = true145	loop.stopCond.L.Unlock()146}147// Run calls the specified function, starts the event loop and waits until there are no more delayed jobs to run148// after which it stops the loop and returns.149// The instance of goja.Runtime that is passed to the function and any Values derived from it must not be used outside150// of the function.151// Do NOT use this function while the loop is already running. Use RunOnLoop() instead.152// If the loop is already started it will panic.153func (loop *EventLoop) Run(fn func(*goja.Runtime)) {154	loop.setRunning()155	fn(loop.vm)156	loop.run(false)157}158// Start the event loop in the background. The loop continues to run until Stop() is called.159// If the loop is already started it will panic.160func (loop *EventLoop) Start() {161	loop.setRunning()162	go loop.run(true)163}164// Stop the loop that was started with Start(). After this function returns there will be no more jobs executed165// by the loop. It is possible to call Start() or Run() again after this to resume the execution.166// Note, it does not cancel active timeouts.167// It is not allowed to run Start() and Stop() concurrently.168// Calling Stop() on an already stopped loop or inside the loop will hang.169func (loop *EventLoop) Stop() {170	loop.jobChan <- func() {171		loop.canRun = false172	}173	loop.stopCond.L.Lock()174	for loop.running {175		loop.stopCond.Wait()176	}177	loop.stopCond.L.Unlock()178}179// RunOnLoop schedules to run the specified function in the context of the loop as soon as possible.180// The order of the runs is preserved (i.e. the functions will be called in the same order as calls to RunOnLoop())181// The instance of goja.Runtime that is passed to the function and any Values derived from it must not be used outside182// of the function. It is safe to call inside or outside of the loop.183func (loop *EventLoop) RunOnLoop(fn func(*goja.Runtime)) {184	loop.addAuxJob(func() { fn(loop.vm) })185}186func (loop *EventLoop) runAux() {187	loop.auxJobsLock.Lock()188	jobs := loop.auxJobs189	loop.auxJobs = nil190	loop.auxJobsLock.Unlock()191	for _, job := range jobs {192		job()193	}194}195func (loop *EventLoop) run(inBackground bool) {196	loop.canRun = true197	loop.runAux()198	for loop.canRun && (inBackground || loop.jobCount > 0) {199		select {200		case job := <-loop.jobChan:201			job()202			if loop.canRun {203				select {204				case <-loop.wakeup:205					loop.runAux()206				default:207				}208			}209		case <-loop.wakeup:210			loop.runAux()211		}212	}213	loop.stopCond.L.Lock()214	loop.running = false215	loop.stopCond.L.Unlock()216	loop.stopCond.Broadcast()217}218func (loop *EventLoop) addAuxJob(fn func()) {219	loop.auxJobsLock.Lock()220	loop.auxJobs = append(loop.auxJobs, fn)221	loop.auxJobsLock.Unlock()222	select {223	case loop.wakeup <- struct{}{}:224	default:225	}226}227func (loop *EventLoop) addTimeout(f func(), timeout time.Duration) *Timer {228	t := &Timer{229		job: job{fn: f},230	}231	t.timer = time.AfterFunc(timeout, func() {232		loop.jobChan <- func() {233			loop.doTimeout(t)234		}235	})236	return t237}...

wakeup

Using AI Code Generation

1import (2func main() {3	if err != nil {4		panic(err)5	}6	defer conn.Close()7	for {8		_, _, err := conn.ReadMessage()9		if err != nil {10			panic(err)11		}12		conn.WriteMessage(websocket.TextMessage, []byte("hello"))13	}14}15import (16func main() {17	if err != nil {18		panic(err)19	}20	defer conn.Close()21	for {22		_, _, err := conn.ReadMessage()23		if err != nil {24			panic(err)25		}26		conn.WriteMessage(websocket.TextMessage, []byte("hello"))27	}28}29import (30func main() {31	if err != nil {32		panic(err)33	}34	defer conn.Close()35	for {36		_, _, err := conn.ReadMessage()37		if err != nil {38			panic(err)39		}40		conn.WriteMessage(websocket.TextMessage, []byte("hello"))41	}42}43import (44func main() {45	if err != nil {46		panic(err)47	}48	defer conn.Close()49	for {50		_, _, err := conn.ReadMessage()51		if err != nil {52			panic(err)53		}54		conn.WriteMessage(websocket.TextMessage, []byte("hello"))55	}56}

wakeup

Using AI Code Generation

1import (2var (3func main() {4    ui.Main(func() {5        eventLoop = ui.EventLoop()6        go func() {7            time.Sleep(time.Second * 5)8            fmt.Println("woke up")9            eventLoop.Wakeup()10        }()11        eventLoop.Run()12    })13}14import (15var (16func main() {17    ui.Main(func() {18        eventLoop = ui.EventLoop()19        go func() {20            time.Sleep(time.Second * 5)21            fmt.Println("woke up")22            eventLoop.Wakeup()23        }()24        eventLoop.Run()25    })26}27import (28var (29func main() {30    ui.Main(func() {31        eventLoop = ui.EventLoop()32        go func() {33            time.Sleep(time.Second * 5)34            fmt.Println("woke up")35            eventLoop.Wakeup()36        }()37        eventLoop.Run()38    })39}40import (41var (42func main() {43    ui.Main(func() {44        eventLoop = ui.EventLoop()45        go func() {46            time.Sleep(time.Second * 5)47            fmt.Println("woke up")48            eventLoop.Wakeup()49        }()50        eventLoop.Run()51    })52}53import (54var (55func main() {56    ui.Main(func() {57        eventLoop = ui.EventLoop()58        go func() {59            time.Sleep(time.Second * 5)

wakeup

Using AI Code Generation

1import (2func main() {3	hwnd := w32.CreateWindowEx(0, "BUTTON", "Hello", w32.WS_OVERLAPPEDWINDOW, 0, 0, 300, 300, 0, 0, 0, nil)4	w32.ShowWindow(hwnd, w32.SW_SHOW)5	el := w32.NewEventLoop()6	el.AddWindow(hwnd)7	el.AddCallback(hwnd, w32.WM_LBUTTONDOWN, func() {8		println("left button down")9	})10	el.Run()11}12import (13func main() {14	hwnd := w32.CreateWindowEx(0, "BUTTON", "Hello", w32.WS_OVERLAPPEDWINDOW, 0, 0, 300, 300, 0, 0, 0, nil)15	w32.ShowWindow(hwnd, w32.SW_SHOW)16	el := w32.NewEventLoop()17	el.AddWindow(hwnd)18	el.AddCallback(hwnd, w32.WM_LBUTTONDOWN, func() {19		println("left button down")20	})21	el.Run()22	time.Sleep(10 * time.Second)23	el.Wakeup()24}25import (26func main() {27	hwnd := w32.CreateWindowEx(0, "BUTTON", "Hello", w32.WS_OVERLAPPEDWINDOW, 0, 0, 300, 300, 0, 0, 0, nil)28	w32.ShowWindow(hwnd

wakeup

Using AI Code Generation

1import "github.com/gorilla/websocket"2type wakeup struct {3}4func (w *wakeup) Wakeup() error {5    return w.WriteMessage(websocket.TextMessage, []byte("wakeup"))6}

wakeup

Using AI Code Generation

1import (2func main() {3	loop := NewEventLoop()4	ch := make(chan int)5	server, err := net.Listen("tcp", ":8080")6	if err != nil {7		fmt.Println("Error listening:", err.Error())8	}9	defer server.Close()10	for {11		conn, err := server.Accept()12		if err != nil {13			fmt.Println("Error accepting: ", err.Error())14		}15		go handleRequest(conn, ch, loop)16	}17}18func handleRequest(conn net.Conn, ch chan int, loop *EventLoop) {19	buf := make([]byte, 1024)20	reqLen, err := conn.Read(buf)21	if err != nil {22		fmt.Println("Error reading:", err.Error())23	}24	fmt.Println("Message Received:", string(buf[:reqLen]))25	conn.Write([]byte("Message received."))26	conn.Close()27	loop.Wakeup()28}29import (30func main() {31	loop := NewEventLoop()32	ch := make(chan int)33	timer := time.NewTimer(time.Second * 5)34	ticker := time.NewTicker(time.Second * 1)35	defer ticker.Stop()36	defer timer.Stop()37	loop.Start()38	loop.AddCallback(func() {39		fmt.Println("Hello World!")40	})41	loop.AddTimer(timer

wakeup

Using AI Code Generation

1import (2func main() {3	loop := NewEventLoop()4	server := NewTCPServer(loop)5	server.SetNewConnectionCallback(func(conn *net.TCPConn) {6		fmt.Println("New connection")7	})8	server.SetDataReceivedCallback(func(conn *net.TCPConn, data []byte) {9		fmt.Println("Data received: ", string(data))10	})11	server.Listen("

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