How to use Wait method of vmimpl Package

Best Syzkaller code snippet using vmimpl.Wait

odroid.go

Source:odroid.go

...136			cmd.Process.Kill()137		case <-done:138		}139	}()140	if err := cmd.Wait(); err != nil {141		close(done)142		out, _ := ioutil.ReadAll(rpipe)143		if inst.debug {144			Logf(0, "ssh failed: %v\n%s", err, out)145		}146		return nil, fmt.Errorf("ssh %+v failed: %v\n%s", args, err, out)147	}148	close(done)149	if inst.debug {150		Logf(0, "ssh returned")151	}152	out, _ := ioutil.ReadAll(rpipe)153	return out, nil154}155func switchPortPower(busNum, deviceNum, portNum int, power bool) error {156	var context *C.libusb_context157	if err := C.libusb_init(&context); err != 0 {158		return fmt.Errorf("failed to init libusb: %v\n", err)159	}160	defer C.libusb_exit(context)161	var rawList **C.libusb_device162	numDevices := int(C.libusb_get_device_list(context, &rawList))163	if numDevices < 0 {164		return fmt.Errorf("failed to init libusb: %v", numDevices)165	}166	defer C.libusb_free_device_list(rawList, 1)167	var deviceList []*C.libusb_device168	*(*reflect.SliceHeader)(unsafe.Pointer(&deviceList)) = reflect.SliceHeader{169		Data: uintptr(unsafe.Pointer(rawList)),170		Len:  numDevices,171		Cap:  numDevices,172	}173	var hub *C.libusb_device174	for i := 0; i < numDevices; i++ {175		var desc C.struct_libusb_device_descriptor176		if err := C.libusb_get_device_descriptor(deviceList[i], &desc); err != 0 {177			return fmt.Errorf("failed to get device descriptor: %v", err)178		}179		if desc.bDeviceClass != C.USB_CLASS_HUB {180			continue181		}182		if C.libusb_get_bus_number(deviceList[i]) != C.uint8_t(busNum) {183			continue184		}185		if C.libusb_get_device_address(deviceList[i]) != C.uint8_t(deviceNum) {186			continue187		}188		hub = deviceList[i]189		break190	}191	if hub == nil {192		return fmt.Errorf("hub not found: bus: %v, device: %v", busNum, deviceNum)193	}194	var handle *C.libusb_device_handle195	if err := C.libusb_open(hub, &handle); err != 0 {196		return fmt.Errorf("failed to open usb device: %v", err)197	}198	request := C.uint8_t(C.USB_REQ_CLEAR_FEATURE)199	if power {200		request = C.uint8_t(C.USB_REQ_SET_FEATURE)201	}202	port := C.uint16_t(portNum)203	timeout := C.uint(1000)204	if err := C.libusb_control_transfer(handle, C.USB_RT_PORT, request,205		C.USB_PORT_FEAT_POWER, port, nil, 0, timeout); err < 0 {206		return fmt.Errorf("failed to send control message: %v\n", err)207	}208	return nil209}210func (inst *instance) repair() error {211	// Try to shutdown gracefully.212	Logf(1, "odroid: trying to ssh")213	if err := inst.waitForSSH(10 * time.Second); err == nil {214		Logf(1, "odroid: ssh succeeded, shutting down now")215		inst.ssh("shutdown now")216		if !vmimpl.SleepInterruptible(20 * time.Second) {217			return fmt.Errorf("shutdown in progress")218		}219	} else {220		Logf(1, "odroid: ssh failed")221	}222	// Hard reset by turning off and back on power on a hub port.223	Logf(1, "odroid: hard reset, turning off power")224	if err := switchPortPower(inst.cfg.Hub_Bus, inst.cfg.Hub_Device, inst.cfg.Hub_Port, false); err != nil {225		return err226	}227	if !vmimpl.SleepInterruptible(5 * time.Second) {228		return fmt.Errorf("shutdown in progress")229	}230	if err := switchPortPower(inst.cfg.Hub_Bus, inst.cfg.Hub_Device, inst.cfg.Hub_Port, true); err != nil {231		return err232	}233	// Now wait for boot.234	Logf(1, "odroid: power back on, waiting for boot")235	if err := inst.waitForSSH(150 * time.Second); err != nil {236		return err237	}238	Logf(1, "odroid: boot succeeded")239	return nil240}241func (inst *instance) waitForSSH(timeout time.Duration) error {242	return vmimpl.WaitForSSH(inst.debug, timeout, inst.cfg.Device_Addr, inst.sshkey, "root", inst.os, 22)243}244func (inst *instance) Close() {245	close(inst.closed)246}247func (inst *instance) Copy(hostSrc string) (string, error) {248	basePath := "/data/"249	vmDst := filepath.Join(basePath, filepath.Base(hostSrc))250	args := append(vmimpl.SCPArgs(inst.debug, inst.sshkey, 22), hostSrc, "root@"+inst.cfg.Device_Addr+":"+vmDst)251	cmd := osutil.Command("scp", args...)252	if inst.debug {253		Logf(0, "running command: scp %#v", args)254		cmd.Stdout = os.Stdout255		cmd.Stderr = os.Stdout256	}257	if err := cmd.Start(); err != nil {258		return "", err259	}260	done := make(chan bool)261	go func() {262		select {263		case <-time.After(3 * time.Minute):264			cmd.Process.Kill()265		case <-done:266		}267	}()268	err := cmd.Wait()269	close(done)270	if err != nil {271		return "", err272	}273	return vmDst, nil274}275func (inst *instance) Run(timeout time.Duration, stop <-chan bool, command string) (276	<-chan []byte, <-chan error, error) {277	tty, err := vmimpl.OpenConsole(inst.cfg.Console)278	if err != nil {279		return nil, nil, err280	}281	rpipe, wpipe, err := osutil.LongPipe()282	if err != nil {283		tty.Close()284		return nil, nil, err285	}286	args := append(vmimpl.SSHArgs(inst.debug, inst.sshkey, 22),287		"root@"+inst.cfg.Device_Addr, "cd /data; "+command)288	if inst.debug {289		Logf(0, "running command: ssh %#v", args)290	}291	cmd := osutil.Command("ssh", args...)292	cmd.Stdout = wpipe293	cmd.Stderr = wpipe294	if err := cmd.Start(); err != nil {295		tty.Close()296		rpipe.Close()297		wpipe.Close()298		return nil, nil, err299	}300	wpipe.Close()301	var tee io.Writer302	if inst.debug {303		tee = os.Stdout304	}305	merger := vmimpl.NewOutputMerger(tee)306	merger.Add("console", tty)307	merger.Add("ssh", rpipe)308	errc := make(chan error, 1)309	signal := func(err error) {310		select {311		case errc <- err:312		default:313		}314	}315	go func() {316		select {317		case <-time.After(timeout):318			signal(vmimpl.TimeoutErr)319		case <-stop:320			signal(vmimpl.TimeoutErr)321		case <-inst.closed:322			if inst.debug {323				Logf(0, "instance closed")324			}325			signal(fmt.Errorf("instance closed"))326		case err := <-merger.Err:327			cmd.Process.Kill()328			tty.Close()329			merger.Wait()330			if cmdErr := cmd.Wait(); cmdErr == nil {331				// If the command exited successfully, we got EOF error from merger.332				// But in this case no error has happened and the EOF is expected.333				err = nil334			}335			signal(err)336			return337		}338		cmd.Process.Kill()339		tty.Close()340		merger.Wait()341		cmd.Wait()342	}()343	return merger.Output, errc, nil344}...

vmm.go

Source:vmm.go

...190		bootOutputStop <- true191		<-bootOutputStop192		return vmimpl.BootError{Title: "no IP found", Output: bootOutput}193	}194	if err := vmimpl.WaitForSSH(inst.debug, 20*time.Minute, inst.sshhost,195		inst.sshkey, inst.sshuser, inst.os, inst.sshport, nil); err != nil {196		bootOutputStop <- true197		<-bootOutputStop198		return vmimpl.BootError{Title: err.Error(), Output: bootOutput}199	}200	bootOutputStop <- true201	<-bootOutputStop202	return nil203}204func (inst *instance) Close() {205	inst.vmctl("stop", inst.vmName, "-f")206	if inst.consolew != nil {207		inst.consolew.Close()208	}209	if inst.vmm != nil {210		inst.vmm.Process.Kill()211		inst.vmm.Wait()212	}213	inst.merger.Wait()214}215func (inst *instance) Forward(port int) (string, error) {216	octets := strings.Split(inst.sshhost, ".")217	if len(octets) < 3 {218		return "", fmt.Errorf("too few octets in hostname %v", inst.sshhost)219	}220	addr := fmt.Sprintf("%v.%v.%v.2:%v", octets[0], octets[1], octets[2], port)221	return addr, nil222}223func (inst *instance) Copy(hostSrc string) (string, error) {224	vmDst := filepath.Join("/root", filepath.Base(hostSrc))225	args := append(vmimpl.SCPArgs(inst.debug, inst.sshkey, inst.sshport),226		hostSrc, inst.sshuser+"@"+inst.sshhost+":"+vmDst)227	if inst.debug {228		log.Logf(0, "running command: scp %#v", args)229	}230	_, err := osutil.RunCmd(10*time.Minute, "", "scp", args...)231	if err != nil {232		return "", err233	}234	return vmDst, nil235}236func (inst *instance) Run(timeout time.Duration, stop <-chan bool, command string) (237	<-chan []byte, <-chan error, error) {238	rpipe, wpipe, err := osutil.LongPipe()239	if err != nil {240		return nil, nil, err241	}242	inst.merger.Add("ssh", rpipe)243	args := append(vmimpl.SSHArgs(inst.debug, inst.sshkey, inst.sshport),244		inst.sshuser+"@"+inst.sshhost, command)245	if inst.debug {246		log.Logf(0, "running command: ssh %#v", args)247	}248	cmd := osutil.Command("ssh", args...)249	cmd.Stdout = wpipe250	cmd.Stderr = wpipe251	if err := cmd.Start(); err != nil {252		wpipe.Close()253		return nil, nil, err254	}255	wpipe.Close()256	errc := make(chan error, 1)257	signal := func(err error) {258		select {259		case errc <- err:260		default:261		}262	}263	go func() {264		select {265		case <-time.After(timeout):266			signal(vmimpl.ErrTimeout)267		case <-stop:268			signal(vmimpl.ErrTimeout)269		case err := <-inst.merger.Err:270			cmd.Process.Kill()271			if cmdErr := cmd.Wait(); cmdErr == nil {272				// If the command exited successfully, we got EOF error from merger.273				// But in this case no error has happened and the EOF is expected.274				err = nil275			}276			signal(err)277			return278		}279		cmd.Process.Kill()280		cmd.Wait()281	}()282	return inst.merger.Output, errc, nil283}284func (inst *instance) Diagnose() ([]byte, bool) {285	return vmimpl.DiagnoseOpenBSD(inst.consolew)286}287// Run the given vmctl(8) command and wait for it to finish.288func (inst *instance) vmctl(args ...string) (string, error) {289	if inst.debug {290		log.Logf(0, "running command: vmctl %#v", args)291	}292	out, err := osutil.RunCmd(time.Minute, "", "vmctl", args...)293	if err != nil {294		if inst.debug {...

isolated.go

Source:isolated.go

...136			cmd.Process.Kill()137		case <-done:138		}139	}()140	if err := cmd.Wait(); err != nil {141		close(done)142		out, _ := ioutil.ReadAll(rpipe)143		if inst.debug {144			log.Logf(0, "ssh failed: %v\n%s", err, out)145		}146		return fmt.Errorf("ssh %+v failed: %v\n%s", args, err, out)147	}148	close(done)149	if inst.debug {150		log.Logf(0, "ssh returned")151	}152	return nil153}154func (inst *instance) repair() error {155	log.Logf(2, "isolated: trying to ssh")156	if err := inst.waitForSSH(30 * time.Minute); err == nil {157		if inst.cfg.TargetReboot {158			log.Logf(2, "isolated: trying to reboot")159			inst.ssh("reboot") // reboot will return an error, ignore it160			if err := inst.waitForReboot(5 * 60); err != nil {161				log.Logf(2, "isolated: machine did not reboot")162				return err163			}164			log.Logf(2, "isolated: rebooted wait for comeback")165			if err := inst.waitForSSH(30 * time.Minute); err != nil {166				log.Logf(2, "isolated: machine did not comeback")167				return err168			}169			log.Logf(2, "isolated: reboot succeeded")170		} else {171			log.Logf(2, "isolated: ssh succeeded")172		}173	} else {174		log.Logf(2, "isolated: ssh failed")175		return fmt.Errorf("SSH failed")176	}177	return nil178}179func (inst *instance) waitForSSH(timeout time.Duration) error {180	return vmimpl.WaitForSSH(inst.debug, timeout, inst.targetAddr, inst.sshKey, inst.sshUser,181		inst.os, inst.targetPort)182}183func (inst *instance) waitForReboot(timeout int) error {184	var err error185	start := time.Now()186	for {187		if !vmimpl.SleepInterruptible(time.Second) {188			return fmt.Errorf("shutdown in progress")189		}190		// If it fails, then the reboot started191		if err = inst.ssh("pwd"); err != nil {192			return nil193		}194		if time.Since(start).Seconds() > float64(timeout) {195			break196		}197	}198	return fmt.Errorf("isolated: the machine did not reboot on repair")199}200func (inst *instance) Close() {201	close(inst.closed)202}203func (inst *instance) Copy(hostSrc string) (string, error) {204	baseName := filepath.Base(hostSrc)205	vmDst := filepath.Join(inst.cfg.TargetDir, baseName)206	inst.ssh("pkill -9 '" + baseName + "'; rm -f '" + vmDst + "'")207	args := append(vmimpl.SCPArgs(inst.debug, inst.sshKey, inst.targetPort),208		hostSrc, inst.sshUser+"@"+inst.targetAddr+":"+vmDst)209	cmd := osutil.Command("scp", args...)210	if inst.debug {211		log.Logf(0, "running command: scp %#v", args)212		cmd.Stdout = os.Stdout213		cmd.Stderr = os.Stdout214	}215	if err := cmd.Start(); err != nil {216		return "", err217	}218	done := make(chan bool)219	go func() {220		select {221		case <-time.After(3 * time.Minute):222			cmd.Process.Kill()223		case <-done:224		}225	}()226	err := cmd.Wait()227	close(done)228	if err != nil {229		return "", err230	}231	return vmDst, nil232}233func (inst *instance) Run(timeout time.Duration, stop <-chan bool, command string) (234	<-chan []byte, <-chan error, error) {235	args := append(vmimpl.SSHArgs(inst.debug, inst.sshKey, inst.targetPort), inst.sshUser+"@"+inst.targetAddr)236	dmesg, err := vmimpl.OpenRemoteConsole("ssh", args...)237	if err != nil {238		return nil, nil, err239	}240	rpipe, wpipe, err := osutil.LongPipe()...

Wait

Using AI Code Generation

1import (2func main() {3    if err != nil {4        fmt.Println(err)5        os.Exit(1)6    }7    c, err := vim25client.NewClient(context.Background(), u)8    if err != nil {9        fmt.Println(err)10        os.Exit(1)11    }12    m := view.NewManager(c)13    f := find.NewFinder(c, true)14    v, err := m.CreateContainerView(context.Background(), f.DefaultFolder(), []string{"VirtualMachine"}, true)15    if err != nil {16        fmt.Println(err)17        os.Exit(1)18    }19    err = v.Retrieve(context.Background(), []string{"VirtualMachine"}, []string{"summary"}, &vms)20    if err != nil {21        fmt.Println(err)22        os.Exit(1)23    }24    for _, vm := range vms {25        fmt.Printf("%s: %s26        vmRef, err := f.VirtualMachine(context.Background(), vm.Summary.Config.Name)27        if err != nil {28            fmt.Println(err)29            os.Exit(1)30        }

Wait

Using AI Code Generation

1func main() {2    vm := vmimpl.NewVM()3    vm.Start()4    vm.Wait()5}6func main() {7    vm := vmimpl.NewVM()8    vm.Start()9    vm.Wait()10}11func main() {12    vm := vmimpl.NewVM()13    vm.Start()14    vm.Wait()15}16func main() {17    vm := vmimpl.NewVM()18    vm.Start()19    vm.Wait()20}21func main() {22    vm := vmimpl.NewVM()23    vm.Start()24    vm.Wait()25}26func main() {27    vm := vmimpl.NewVM()28    vm.Start()29    vm.Wait()30}31func main() {32    vm := vmimpl.NewVM()33    vm.Start()34    vm.Wait()35}36func main() {37    vm := vmimpl.NewVM()38    vm.Start()39    vm.Wait()40}41func main() {42    vm := vmimpl.NewVM()43    vm.Start()44    vm.Wait()45}46func main() {47    vm := vmimpl.NewVM()48    vm.Start()49    vm.Wait()50}51func main() {52    vm := vmimpl.NewVM()53    vm.Start()54    vm.Wait()55}56func main() {57    vm := vmimpl.NewVM()58    vm.Start()59    vm.Wait()60}61func main() {62    vm := vmimpl.NewVM()63    vm.Start()64    vm.Wait()65}

Wait

Using AI Code Generation

1import (2func main() {3	fmt.Println("main started")4	v := NewVM()5	v.Start()6	v.Wait()7	fmt.Println("main ended")8}9import (10func main() {11	fmt.Println("main started")12	v := NewVM()13	v.Start()14	v.Wait()15	fmt.Println("main ended")16}17import (18func main() {19	fmt.Println("main started")20	v := NewVM()21	v.Start()22	v.Wait()23	fmt.Println("main ended")24}25import (26func main() {27	fmt.Println("main started")28	v := NewVM()29	v.Start()30	v.Wait()31	fmt.Println("main ended")32}33import (34func main() {35	fmt.Println("main started")36	v := NewVM()37	v.Start()38	v.Wait()39	fmt.Println("main ended")40}41import (42func main() {43	fmt.Println("main started")44	v := NewVM()45	v.Start()46	v.Wait()47	fmt.Println("main ended")48}49import (50func main() {51	fmt.Println("main started")52	v := NewVM()53	v.Start()54	v.Wait()55	fmt.Println("main ended")56}57import (58func main() {59	fmt.Println("main started")60	v := NewVM()61	v.Start()62	v.Wait()63	fmt.Println("main ended")64}65import (66func main() {67	fmt.Println("main started")68	v := NewVM()69	v.Start()70	v.Wait()

Wait

Using AI Code Generation

1import (2type vmimpl struct {3}4func (v *vmimpl) Wait() {5 fmt.Println("Wait method")6}

Wait

Using AI Code Generation

1import (2func main() {3vm = new(vmimpl)4reader := bufio.NewReader(os.Stdin)5for {6fmt.Print("->")7input, _ = reader.ReadString('8input = strings.TrimSuffix(input, "9if input == "exit" {10}11if input == "create" {12vm.create()13}14if input == "start" {15vm.start()16}17if input == "stop" {18vm.stop()19}20if input == "delete" {21vm.delete()22}23if input == "list" {24vm.list()25}26}27}28import (29type vmimpl struct {30}31func (v *vmimpl) create() {32v.Lock()33fmt.Println("create")34v.Unlock()35}36func (v *vmimpl) start() {37v.Lock()38fmt.Println("start")39v.Unlock()40}41func (v *vmimpl) stop() {42v.Lock()43fmt.Println("stop")44v.Unlock()45}46func (v *vmimpl) delete() {47v.Lock()48fmt.Println("delete")49v.Unlock()50}51func (v *vmimpl) list() {52v.Lock()53fmt.Println("list")54v.Unlock()55}

Wait

Using AI Code Generation

1import (2func main() {3    fmt.Println("Hello, playground")4    vmimpl.Wait()5}6import (7func Wait() {8    fmt.Println("Hello, vmimpl")9}10import (11func TestWait(t *testing.T) {12    Wait()13}

Wait

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello World!")4	time.Sleep(10 * time.Second)5}6import (7func main() {8	fmt.Println("Hello World!")9	vm := vmimpl.NewVM()10	vm.Wait()11	time.Sleep(10 * time.Second)12}13./1.go:10: cannot use vmimpl.NewVM() (type vmimpl.VM) as type VM in assignment:14        vmimpl.VM does not implement VM (missing Wait method)15./2.go:10: vm.Wait undefined (type VM has no field or method Wait)16./3.go:12: vm.Wait undefined (type vmimpl.VM has no field or method Wait)17If the package name is vmimpl, then the import path is github.com/abc/vmimpl. If the package name is vm, then the import

Wait

Using AI Code Generation

1import (2func main() {3	fmt.Println("Start")4	vm := NewVM()5	go vm.Run()6	time.Sleep(time.Second)7	vm.Stop()8	fmt.Println("Stop")9}10import (11type VMImpl struct {12}13func NewVM() *VMImpl {14	return &VMImpl{}15}16func (v *VMImpl) Run() {17	for v.running {18		fmt.Println("Running")19		time.Sleep(time.Second)20	}21}22func (v *VMImpl) Stop() {23}24type VM interface {25	Run()26	Stop()27}28import (29type VMImpl struct {30}31func NewVM() *VMImpl {32	return &VMImpl{33		stop: make(chan bool),34	}35}36func (v *VMImpl) Run() {37	for v.running {38		select {39			fmt.Println("Running")40			time.Sleep(time.Second)41		}42	}43}44func (v *VMImpl) Stop() {45}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.